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Finding the Fourth Proportional to 9,060.84, 12,500.10 and 6,261.48

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Solution

The fourth proportional to 9,060.84, 12,500.10 and 6,261.48 is: 8,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.84 : 12,500.10 = 6,261.48 : x
  2. Step 2: Convert to fraction form
    9,060.84/12,500.10 = 6,261.48/x
  3. Step 3: Cross multiply
    9,060.84x = 12,500.10 × 6,261.48
  4. Step 4: Simplify right side
    9,060.84x = 78,269,126.15
  5. Step 5: Solve for x
    x = 78,269,126.15/9,060.84
  6. Step 6: Final answer
    x = 8,638.18

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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.