Home / 11,372.18-15,693.20-6,336.14

Finding the Fourth Proportional to 11,372.18, 15,693.20 and 6,336.14

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Solution

The fourth proportional to 11,372.18, 15,693.20 and 6,336.14 is: 8,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.18 : 15,693.20 = 6,336.14 : x
  2. Step 2: Convert to fraction form
    11,372.18/15,693.20 = 6,336.14/x
  3. Step 3: Cross multiply
    11,372.18x = 15,693.20 × 6,336.14
  4. Step 4: Simplify right side
    11,372.18x = 99,434,312.25
  5. Step 5: Solve for x
    x = 99,434,312.25/11,372.18
  6. Step 6: Final answer
    x = 8,743.65

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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.