Home / 11,191.97-15,445.32-6,156.57

Finding the Fourth Proportional to 11,191.97, 15,445.32 and 6,156.57

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Solution

The fourth proportional to 11,191.97, 15,445.32 and 6,156.57 is: 8,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.97 : 15,445.32 = 6,156.57 : x
  2. Step 2: Convert to fraction form
    11,191.97/15,445.32 = 6,156.57/x
  3. Step 3: Cross multiply
    11,191.97x = 15,445.32 × 6,156.57
  4. Step 4: Simplify right side
    11,191.97x = 95,090,228.59
  5. Step 5: Solve for x
    x = 95,090,228.59/11,191.97
  6. Step 6: Final answer
    x = 8,496.29

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Double scale
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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.