Home / 10,316.71-15,475.07-3,658.11

Finding the Fourth Proportional to 10,316.71, 15,475.07 and 3,658.11

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Solution

The fourth proportional to 10,316.71, 15,475.07 and 3,658.11 is: 5,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.71 : 15,475.07 = 3,658.11 : x
  2. Step 2: Convert to fraction form
    10,316.71/15,475.07 = 3,658.11/x
  3. Step 3: Cross multiply
    10,316.71x = 15,475.07 × 3,658.11
  4. Step 4: Simplify right side
    10,316.71x = 56,609,508.32
  5. Step 5: Solve for x
    x = 56,609,508.32/10,316.71
  6. Step 6: Final answer
    x = 5,487.17

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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.