Home / 8,875.61-12,248.18-4,896.72

Finding the Fourth Proportional to 8,875.61, 12,248.18 and 4,896.72

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Solution

The fourth proportional to 8,875.61, 12,248.18 and 4,896.72 is: 6,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.61 : 12,248.18 = 4,896.72 : x
  2. Step 2: Convert to fraction form
    8,875.61/12,248.18 = 4,896.72/x
  3. Step 3: Cross multiply
    8,875.61x = 12,248.18 × 4,896.72
  4. Step 4: Simplify right side
    8,875.61x = 59,975,901.85
  5. Step 5: Solve for x
    x = 59,975,901.85/8,875.61
  6. Step 6: Final answer
    x = 6,757.38

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Half scale
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Double scale
Find fourth proportional to 8,876.61, 12,249.56 and 4,897.72
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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.