Home / 8,881.18-12,256.10-4,902.42

Finding the Fourth Proportional to 8,881.18, 12,256.10 and 4,902.42

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Solution

The fourth proportional to 8,881.18, 12,256.10 and 4,902.42 is: 6,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.18 : 12,256.10 = 4,902.42 : x
  2. Step 2: Convert to fraction form
    8,881.18/12,256.10 = 4,902.42/x
  3. Step 3: Cross multiply
    8,881.18x = 12,256.10 × 4,902.42
  4. Step 4: Simplify right side
    8,881.18x = 60,084,549.76
  5. Step 5: Solve for x
    x = 60,084,549.76/8,881.18
  6. Step 6: Final answer
    x = 6,765.38

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Half scale
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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.