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Finding the Fourth Proportional to 9,248.90, 12,763.22 and 5,056.88

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Solution

The fourth proportional to 9,248.90, 12,763.22 and 5,056.88 is: 6,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.90 : 12,763.22 = 5,056.88 : x
  2. Step 2: Convert to fraction form
    9,248.90/12,763.22 = 5,056.88/x
  3. Step 3: Cross multiply
    9,248.90x = 12,763.22 × 5,056.88
  4. Step 4: Simplify right side
    9,248.90x = 64,541,982.85
  5. Step 5: Solve for x
    x = 64,541,982.85/9,248.90
  6. Step 6: Final answer
    x = 6,978.35

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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.