Home / 10,331.30-14,257.24-5,615.60

Finding the Fourth Proportional to 10,331.30, 14,257.24 and 5,615.60

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Solution

The fourth proportional to 10,331.30, 14,257.24 and 5,615.60 is: 7,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.30 : 14,257.24 = 5,615.60 : x
  2. Step 2: Convert to fraction form
    10,331.30/14,257.24 = 5,615.60/x
  3. Step 3: Cross multiply
    10,331.30x = 14,257.24 × 5,615.60
  4. Step 4: Simplify right side
    10,331.30x = 80,062,956.94
  5. Step 5: Solve for x
    x = 80,062,956.94/10,331.30
  6. Step 6: Final answer
    x = 7,749.55

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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.