Home / 10,149.18-15,225.27-3,574.20

Finding the Fourth Proportional to 10,149.18, 15,225.27 and 3,574.20

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Solution

The fourth proportional to 10,149.18, 15,225.27 and 3,574.20 is: 5,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.18 : 15,225.27 = 3,574.20 : x
  2. Step 2: Convert to fraction form
    10,149.18/15,225.27 = 3,574.20/x
  3. Step 3: Cross multiply
    10,149.18x = 15,225.27 × 3,574.20
  4. Step 4: Simplify right side
    10,149.18x = 54,418,160.03
  5. Step 5: Solve for x
    x = 54,418,160.03/10,149.18
  6. Step 6: Final answer
    x = 5,361.83

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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.