Home / 10,658.61-15,997.77-5,397.35

Finding the Fourth Proportional to 10,658.61, 15,997.77 and 5,397.35

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Solution

The fourth proportional to 10,658.61, 15,997.77 and 5,397.35 is: 8,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.61 : 15,997.77 = 5,397.35 : x
  2. Step 2: Convert to fraction form
    10,658.61/15,997.77 = 5,397.35/x
  3. Step 3: Cross multiply
    10,658.61x = 15,997.77 × 5,397.35
  4. Step 4: Simplify right side
    10,658.61x = 86,345,563.91
  5. Step 5: Solve for x
    x = 86,345,563.91/10,658.61
  6. Step 6: Final answer
    x = 8,101.02

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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.