Home / 7,006.64-10,500.60-5,149.04

Finding the Fourth Proportional to 7,006.64, 10,500.60 and 5,149.04

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Solution

The fourth proportional to 7,006.64, 10,500.60 and 5,149.04 is: 7,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.64 : 10,500.60 = 5,149.04 : x
  2. Step 2: Convert to fraction form
    7,006.64/10,500.60 = 5,149.04/x
  3. Step 3: Cross multiply
    7,006.64x = 10,500.60 × 5,149.04
  4. Step 4: Simplify right side
    7,006.64x = 54,068,009.42
  5. Step 5: Solve for x
    x = 54,068,009.42/7,006.64
  6. Step 6: Final answer
    x = 7,716.68

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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.