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Finding the Fourth Proportional to 12,562.52, 17,336.12 and 7,184.92

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Solution

The fourth proportional to 12,562.52, 17,336.12 and 7,184.92 is: 9,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.52 : 17,336.12 = 7,184.92 : x
  2. Step 2: Convert to fraction form
    12,562.52/17,336.12 = 7,184.92/x
  3. Step 3: Cross multiply
    12,562.52x = 17,336.12 × 7,184.92
  4. Step 4: Simplify right side
    12,562.52x = 124,558,635.31
  5. Step 5: Solve for x
    x = 124,558,635.31/12,562.52
  6. Step 6: Final answer
    x = 9,915.10

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Half scale
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Double scale
Find fourth proportional to 12,563.52, 17,337.50 and 7,185.92
Similar ratio
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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.