Home / 12,962.20-17,876.10-8,484.52

Finding the Fourth Proportional to 12,962.20, 17,876.10 and 8,484.52

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Solution

The fourth proportional to 12,962.20, 17,876.10 and 8,484.52 is: 11,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.20 : 17,876.10 = 8,484.52 : x
  2. Step 2: Convert to fraction form
    12,962.20/17,876.10 = 8,484.52/x
  3. Step 3: Cross multiply
    12,962.20x = 17,876.10 × 8,484.52
  4. Step 4: Simplify right side
    12,962.20x = 151,670,127.97
  5. Step 5: Solve for x
    x = 151,670,127.97/12,962.20
  6. Step 6: Final answer
    x = 11,700.96

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1.5x scale

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.