Home / 8,842.72-12,204.13-5,708.02

Finding the Fourth Proportional to 8,842.72, 12,204.13 and 5,708.02

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Solution

The fourth proportional to 8,842.72, 12,204.13 and 5,708.02 is: 7,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.72 : 12,204.13 = 5,708.02 : x
  2. Step 2: Convert to fraction form
    8,842.72/12,204.13 = 5,708.02/x
  3. Step 3: Cross multiply
    8,842.72x = 12,204.13 × 5,708.02
  4. Step 4: Simplify right side
    8,842.72x = 69,661,418.12
  5. Step 5: Solve for x
    x = 69,661,418.12/8,842.72
  6. Step 6: Final answer
    x = 7,877.83

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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.