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Finding the Fourth Proportional to 8,373.46, 11,551.17 and 5,720.98

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Solution

The fourth proportional to 8,373.46, 11,551.17 and 5,720.98 is: 7,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.46 : 11,551.17 = 5,720.98 : x
  2. Step 2: Convert to fraction form
    8,373.46/11,551.17 = 5,720.98/x
  3. Step 3: Cross multiply
    8,373.46x = 11,551.17 × 5,720.98
  4. Step 4: Simplify right side
    8,373.46x = 66,084,012.55
  5. Step 5: Solve for x
    x = 66,084,012.55/8,373.46
  6. Step 6: Final answer
    x = 7,892.08

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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.