Home / 11,080.43-15,292.47-7,047.65

Finding the Fourth Proportional to 11,080.43, 15,292.47 and 7,047.65

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Solution

The fourth proportional to 11,080.43, 15,292.47 and 7,047.65 is: 9,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.43 : 15,292.47 = 7,047.65 : x
  2. Step 2: Convert to fraction form
    11,080.43/15,292.47 = 7,047.65/x
  3. Step 3: Cross multiply
    11,080.43x = 15,292.47 × 7,047.65
  4. Step 4: Simplify right side
    11,080.43x = 107,775,899.73
  5. Step 5: Solve for x
    x = 107,775,899.73/11,080.43
  6. Step 6: Final answer
    x = 9,726.69

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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.