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Finding the Fourth Proportional to 9,077.13, 12,497.79 and 8,246.65

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Solution

The fourth proportional to 9,077.13, 12,497.79 and 8,246.65 is: 11,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.13 : 12,497.79 = 8,246.65 : x
  2. Step 2: Convert to fraction form
    9,077.13/12,497.79 = 8,246.65/x
  3. Step 3: Cross multiply
    9,077.13x = 12,497.79 × 8,246.65
  4. Step 4: Simplify right side
    9,077.13x = 103,064,899.90
  5. Step 5: Solve for x
    x = 103,064,899.90/9,077.13
  6. Step 6: Final answer
    x = 11,354.35

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,078.13, 12,499.17 and 8,247.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.