Home / 10,331.75-14,257.91-5,616.05

Finding the Fourth Proportional to 10,331.75, 14,257.91 and 5,616.05

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Solution

The fourth proportional to 10,331.75, 14,257.91 and 5,616.05 is: 7,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.75 : 14,257.91 = 5,616.05 : x
  2. Step 2: Convert to fraction form
    10,331.75/14,257.91 = 5,616.05/x
  3. Step 3: Cross multiply
    10,331.75x = 14,257.91 × 5,616.05
  4. Step 4: Simplify right side
    10,331.75x = 80,073,078.21
  5. Step 5: Solve for x
    x = 80,073,078.21/10,331.75
  6. Step 6: Final answer
    x = 7,750.19

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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.