Home / 12,548.85-17,317.44-6,883.65

Finding the Fourth Proportional to 12,548.85, 17,317.44 and 6,883.65

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Solution

The fourth proportional to 12,548.85, 17,317.44 and 6,883.65 is: 9,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.85 : 17,317.44 = 6,883.65 : x
  2. Step 2: Convert to fraction form
    12,548.85/17,317.44 = 6,883.65/x
  3. Step 3: Cross multiply
    12,548.85x = 17,317.44 × 6,883.65
  4. Step 4: Simplify right side
    12,548.85x = 119,207,195.86
  5. Step 5: Solve for x
    x = 119,207,195.86/12,548.85
  6. Step 6: Final answer
    x = 9,499.45

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.