Home / 13,113.62-18,096.17-7,447.62

Finding the Fourth Proportional to 13,113.62, 18,096.17 and 7,447.62

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Solution

The fourth proportional to 13,113.62, 18,096.17 and 7,447.62 is: 10,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.62 : 18,096.17 = 7,447.62 : x
  2. Step 2: Convert to fraction form
    13,113.62/18,096.17 = 7,447.62/x
  3. Step 3: Cross multiply
    13,113.62x = 18,096.17 × 7,447.62
  4. Step 4: Simplify right side
    13,113.62x = 134,773,397.62
  5. Step 5: Solve for x
    x = 134,773,397.62/13,113.62
  6. Step 6: Final answer
    x = 10,277.36

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Half scale
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Double scale
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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.