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Finding the Fourth Proportional to 11,275.58, 15,562.86 and 6,797.90

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Solution

The fourth proportional to 11,275.58, 15,562.86 and 6,797.90 is: 9,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.58 : 15,562.86 = 6,797.90 : x
  2. Step 2: Convert to fraction form
    11,275.58/15,562.86 = 6,797.90/x
  3. Step 3: Cross multiply
    11,275.58x = 15,562.86 × 6,797.90
  4. Step 4: Simplify right side
    11,275.58x = 105,794,765.99
  5. Step 5: Solve for x
    x = 105,794,765.99/11,275.58
  6. Step 6: Final answer
    x = 9,382.65

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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.