Home / 7,162.40-10,753.01-5,520.32

Finding the Fourth Proportional to 7,162.40, 10,753.01 and 5,520.32

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Solution

The fourth proportional to 7,162.40, 10,753.01 and 5,520.32 is: 8,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.40 : 10,753.01 = 5,520.32 : x
  2. Step 2: Convert to fraction form
    7,162.40/10,753.01 = 5,520.32/x
  3. Step 3: Cross multiply
    7,162.40x = 10,753.01 × 5,520.32
  4. Step 4: Simplify right side
    7,162.40x = 59,359,974.80
  5. Step 5: Solve for x
    x = 59,359,974.80/7,162.40
  6. Step 6: Final answer
    x = 8,287.73

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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.