Home / 8,723.70-12,036.87-5,537.97

Finding the Fourth Proportional to 8,723.70, 12,036.87 and 5,537.97

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Solution

The fourth proportional to 8,723.70, 12,036.87 and 5,537.97 is: 7,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.70 : 12,036.87 = 5,537.97 : x
  2. Step 2: Convert to fraction form
    8,723.70/12,036.87 = 5,537.97/x
  3. Step 3: Cross multiply
    8,723.70x = 12,036.87 × 5,537.97
  4. Step 4: Simplify right side
    8,723.70x = 66,659,824.95
  5. Step 5: Solve for x
    x = 66,659,824.95/8,723.70
  6. Step 6: Final answer
    x = 7,641.23

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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.