Home / 10,167.60-15,255.48-4,324.08

Finding the Fourth Proportional to 10,167.60, 15,255.48 and 4,324.08

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Solution

The fourth proportional to 10,167.60, 15,255.48 and 4,324.08 is: 6,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.60 : 15,255.48 = 4,324.08 : x
  2. Step 2: Convert to fraction form
    10,167.60/15,255.48 = 4,324.08/x
  3. Step 3: Cross multiply
    10,167.60x = 15,255.48 × 4,324.08
  4. Step 4: Simplify right side
    10,167.60x = 65,965,915.96
  5. Step 5: Solve for x
    x = 65,965,915.96/10,167.60
  6. Step 6: Final answer
    x = 6,487.86

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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.