Home / 10,331.18-14,257.11-5,615.46

Finding the Fourth Proportional to 10,331.18, 14,257.11 and 5,615.46

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Solution

The fourth proportional to 10,331.18, 14,257.11 and 5,615.46 is: 7,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.18 : 14,257.11 = 5,615.46 : x
  2. Step 2: Convert to fraction form
    10,331.18/14,257.11 = 5,615.46/x
  3. Step 3: Cross multiply
    10,331.18x = 14,257.11 × 5,615.46
  4. Step 4: Simplify right side
    10,331.18x = 80,060,251.98
  5. Step 5: Solve for x
    x = 80,060,251.98/10,331.18
  6. Step 6: Final answer
    x = 7,749.38

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Half scale
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Double scale
Find fourth proportional to 10,332.18, 14,258.49 and 5,616.46
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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.