Home / 11,065.52-15,268.92-6,348.80

Finding the Fourth Proportional to 11,065.52, 15,268.92 and 6,348.80

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Solution

The fourth proportional to 11,065.52, 15,268.92 and 6,348.80 is: 8,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.52 : 15,268.92 = 6,348.80 : x
  2. Step 2: Convert to fraction form
    11,065.52/15,268.92 = 6,348.80/x
  3. Step 3: Cross multiply
    11,065.52x = 15,268.92 × 6,348.80
  4. Step 4: Simplify right side
    11,065.52x = 96,939,319.30
  5. Step 5: Solve for x
    x = 96,939,319.30/11,065.52
  6. Step 6: Final answer
    x = 8,760.48

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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.