Home / 8,875.21-12,247.59-4,896.70

Finding the Fourth Proportional to 8,875.21, 12,247.59 and 4,896.70

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Solution

The fourth proportional to 8,875.21, 12,247.59 and 4,896.70 is: 6,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.21 : 12,247.59 = 4,896.70 : x
  2. Step 2: Convert to fraction form
    8,875.21/12,247.59 = 4,896.70/x
  3. Step 3: Cross multiply
    8,875.21x = 12,247.59 × 4,896.70
  4. Step 4: Simplify right side
    8,875.21x = 59,972,773.95
  5. Step 5: Solve for x
    x = 59,972,773.95/8,875.21
  6. Step 6: Final answer
    x = 6,757.34

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Half scale
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Double scale
Find fourth proportional to 8,876.21, 12,248.97 and 4,897.70
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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.