Home / 11,193.72-15,447.71-6,158.13

Finding the Fourth Proportional to 11,193.72, 15,447.71 and 6,158.13

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Solution

The fourth proportional to 11,193.72, 15,447.71 and 6,158.13 is: 8,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.72 : 15,447.71 = 6,158.13 : x
  2. Step 2: Convert to fraction form
    11,193.72/15,447.71 = 6,158.13/x
  3. Step 3: Cross multiply
    11,193.72x = 15,447.71 × 6,158.13
  4. Step 4: Simplify right side
    11,193.72x = 95,128,898.35
  5. Step 5: Solve for x
    x = 95,128,898.35/11,193.72
  6. Step 6: Final answer
    x = 8,498.42

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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.