Home / 12,248.24-18,372.28-5,915.72

Finding the Fourth Proportional to 12,248.24, 18,372.28 and 5,915.72

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Solution

The fourth proportional to 12,248.24, 18,372.28 and 5,915.72 is: 8,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.24 : 18,372.28 = 5,915.72 : x
  2. Step 2: Convert to fraction form
    12,248.24/18,372.28 = 5,915.72/x
  3. Step 3: Cross multiply
    12,248.24x = 18,372.28 × 5,915.72
  4. Step 4: Simplify right side
    12,248.24x = 108,685,264.24
  5. Step 5: Solve for x
    x = 108,685,264.24/12,248.24
  6. Step 6: Final answer
    x = 8,873.54

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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.