Home / 10,572.68-15,859.28-3,552.80

Finding the Fourth Proportional to 10,572.68, 15,859.28 and 3,552.80

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Solution

The fourth proportional to 10,572.68, 15,859.28 and 3,552.80 is: 5,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.68 : 15,859.28 = 3,552.80 : x
  2. Step 2: Convert to fraction form
    10,572.68/15,859.28 = 3,552.80/x
  3. Step 3: Cross multiply
    10,572.68x = 15,859.28 × 3,552.80
  4. Step 4: Simplify right side
    10,572.68x = 56,344,761.81
  5. Step 5: Solve for x
    x = 56,344,761.81/10,572.68
  6. Step 6: Final answer
    x = 5,329.28

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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.