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Finding the Fourth Proportional to 8,885.76, 12,263.08 and 5,110.15

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Solution

The fourth proportional to 8,885.76, 12,263.08 and 5,110.15 is: 7,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.76 : 12,263.08 = 5,110.15 : x
  2. Step 2: Convert to fraction form
    8,885.76/12,263.08 = 5,110.15/x
  3. Step 3: Cross multiply
    8,885.76x = 12,263.08 × 5,110.15
  4. Step 4: Simplify right side
    8,885.76x = 62,666,178.26
  5. Step 5: Solve for x
    x = 62,666,178.26/8,885.76
  6. Step 6: Final answer
    x = 7,052.43

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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.