Home / 13,114.56-18,098.16-7,146.24

Finding the Fourth Proportional to 13,114.56, 18,098.16 and 7,146.24

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Solution

The fourth proportional to 13,114.56, 18,098.16 and 7,146.24 is: 9,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.56 : 18,098.16 = 7,146.24 : x
  2. Step 2: Convert to fraction form
    13,114.56/18,098.16 = 7,146.24/x
  3. Step 3: Cross multiply
    13,114.56x = 18,098.16 × 7,146.24
  4. Step 4: Simplify right side
    13,114.56x = 129,333,794.92
  5. Step 5: Solve for x
    x = 129,333,794.92/13,114.56
  6. Step 6: Final answer
    x = 9,861.85

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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.