Home / 8,331.57-12,502.94-5,561.37

Finding the Fourth Proportional to 8,331.57, 12,502.94 and 5,561.37

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Solution

The fourth proportional to 8,331.57, 12,502.94 and 5,561.37 is: 8,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.57 : 12,502.94 = 5,561.37 : x
  2. Step 2: Convert to fraction form
    8,331.57/12,502.94 = 5,561.37/x
  3. Step 3: Cross multiply
    8,331.57x = 12,502.94 × 5,561.37
  4. Step 4: Simplify right side
    8,331.57x = 69,533,447.62
  5. Step 5: Solve for x
    x = 69,533,447.62/8,331.57
  6. Step 6: Final answer
    x = 8,345.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.