Home / 8,731.88-12,050.36-5,006.60

Finding the Fourth Proportional to 8,731.88, 12,050.36 and 5,006.60

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Solution

The fourth proportional to 8,731.88, 12,050.36 and 5,006.60 is: 6,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.88 : 12,050.36 = 5,006.60 : x
  2. Step 2: Convert to fraction form
    8,731.88/12,050.36 = 5,006.60/x
  3. Step 3: Cross multiply
    8,731.88x = 12,050.36 × 5,006.60
  4. Step 4: Simplify right side
    8,731.88x = 60,331,332.38
  5. Step 5: Solve for x
    x = 60,331,332.38/8,731.88
  6. Step 6: Final answer
    x = 6,909.32

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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.