Home / 11,213.10-15,470.19-6,494.04

Finding the Fourth Proportional to 11,213.10, 15,470.19 and 6,494.04

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Solution

The fourth proportional to 11,213.10, 15,470.19 and 6,494.04 is: 8,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.10 : 15,470.19 = 6,494.04 : x
  2. Step 2: Convert to fraction form
    11,213.10/15,470.19 = 6,494.04/x
  3. Step 3: Cross multiply
    11,213.10x = 15,470.19 × 6,494.04
  4. Step 4: Simplify right side
    11,213.10x = 100,464,032.67
  5. Step 5: Solve for x
    x = 100,464,032.67/11,213.10
  6. Step 6: Final answer
    x = 8,959.52

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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.