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Finding the Fourth Proportional to 10,587.92, 15,893.36 and 7,962.91

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Solution

The fourth proportional to 10,587.92, 15,893.36 and 7,962.91 is: 11,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.92 : 15,893.36 = 7,962.91 : x
  2. Step 2: Convert to fraction form
    10,587.92/15,893.36 = 7,962.91/x
  3. Step 3: Cross multiply
    10,587.92x = 15,893.36 × 7,962.91
  4. Step 4: Simplify right side
    10,587.92x = 126,557,390.38
  5. Step 5: Solve for x
    x = 126,557,390.38/10,587.92
  6. Step 6: Final answer
    x = 11,953.00

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1.5x scale

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.