Home / 10,747.46-15,991.16-10,479.62

Finding the Fourth Proportional to 10,747.46, 15,991.16 and 10,479.62

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Solution

The fourth proportional to 10,747.46, 15,991.16 and 10,479.62 is: 15,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.46 : 15,991.16 = 10,479.62 : x
  2. Step 2: Convert to fraction form
    10,747.46/15,991.16 = 10,479.62/x
  3. Step 3: Cross multiply
    10,747.46x = 15,991.16 × 10,479.62
  4. Step 4: Simplify right side
    10,747.46x = 167,581,280.16
  5. Step 5: Solve for x
    x = 167,581,280.16/10,747.46
  6. Step 6: Final answer
    x = 15,592.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.