Home / 10,331.53-14,257.68-5,615.83

Finding the Fourth Proportional to 10,331.53, 14,257.68 and 5,615.83

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Solution

The fourth proportional to 10,331.53, 14,257.68 and 5,615.83 is: 7,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.53 : 14,257.68 = 5,615.83 : x
  2. Step 2: Convert to fraction form
    10,331.53/14,257.68 = 5,615.83/x
  3. Step 3: Cross multiply
    10,331.53x = 14,257.68 × 5,615.83
  4. Step 4: Simplify right side
    10,331.53x = 80,068,607.71
  5. Step 5: Solve for x
    x = 80,068,607.71/10,331.53
  6. Step 6: Final answer
    x = 7,749.93

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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.