Home / 9,116.10-13,674.15-8,309.70

Finding the Fourth Proportional to 9,116.10, 13,674.15 and 8,309.70

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Solution

The fourth proportional to 9,116.10, 13,674.15 and 8,309.70 is: 12,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.10 : 13,674.15 = 8,309.70 : x
  2. Step 2: Convert to fraction form
    9,116.10/13,674.15 = 8,309.70/x
  3. Step 3: Cross multiply
    9,116.10x = 13,674.15 × 8,309.70
  4. Step 4: Simplify right side
    9,116.10x = 113,628,084.26
  5. Step 5: Solve for x
    x = 113,628,084.26/9,116.10
  6. Step 6: Final answer
    x = 12,464.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.