Home / 12,552.57-17,319.06-8,968.61

Finding the Fourth Proportional to 12,552.57, 17,319.06 and 8,968.61

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Solution

The fourth proportional to 12,552.57, 17,319.06 and 8,968.61 is: 12,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.57 : 17,319.06 = 8,968.61 : x
  2. Step 2: Convert to fraction form
    12,552.57/17,319.06 = 8,968.61/x
  3. Step 3: Cross multiply
    12,552.57x = 17,319.06 × 8,968.61
  4. Step 4: Simplify right side
    12,552.57x = 155,327,938.00
  5. Step 5: Solve for x
    x = 155,327,938.00/12,552.57
  6. Step 6: Final answer
    x = 12,374.19

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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.