Home / 8,872.48-12,244.89-6,630.46

Finding the Fourth Proportional to 8,872.48, 12,244.89 and 6,630.46

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Solution

The fourth proportional to 8,872.48, 12,244.89 and 6,630.46 is: 9,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.48 : 12,244.89 = 6,630.46 : x
  2. Step 2: Convert to fraction form
    8,872.48/12,244.89 = 6,630.46/x
  3. Step 3: Cross multiply
    8,872.48x = 12,244.89 × 6,630.46
  4. Step 4: Simplify right side
    8,872.48x = 81,189,253.35
  5. Step 5: Solve for x
    x = 81,189,253.35/8,872.48
  6. Step 6: Final answer
    x = 9,150.68

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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.