Home / 7,332.40-10,116.05-4,815.87

Finding the Fourth Proportional to 7,332.40, 10,116.05 and 4,815.87

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Solution

The fourth proportional to 7,332.40, 10,116.05 and 4,815.87 is: 6,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.40 : 10,116.05 = 4,815.87 : x
  2. Step 2: Convert to fraction form
    7,332.40/10,116.05 = 4,815.87/x
  3. Step 3: Cross multiply
    7,332.40x = 10,116.05 × 4,815.87
  4. Step 4: Simplify right side
    7,332.40x = 48,717,593.75
  5. Step 5: Solve for x
    x = 48,717,593.75/7,332.40
  6. Step 6: Final answer
    x = 6,644.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.