Home / 11,005.52-15,182.28-7,282.64

Finding the Fourth Proportional to 11,005.52, 15,182.28 and 7,282.64

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Solution

The fourth proportional to 11,005.52, 15,182.28 and 7,282.64 is: 10,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.52 : 15,182.28 = 7,282.64 : x
  2. Step 2: Convert to fraction form
    11,005.52/15,182.28 = 7,282.64/x
  3. Step 3: Cross multiply
    11,005.52x = 15,182.28 × 7,282.64
  4. Step 4: Simplify right side
    11,005.52x = 110,567,079.62
  5. Step 5: Solve for x
    x = 110,567,079.62/11,005.52
  6. Step 6: Final answer
    x = 10,046.51

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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.