Home / 7,585.12-11,382.74-2,654.76

Finding the Fourth Proportional to 7,585.12, 11,382.74 and 2,654.76

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Solution

The fourth proportional to 7,585.12, 11,382.74 and 2,654.76 is: 3,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.12 : 11,382.74 = 2,654.76 : x
  2. Step 2: Convert to fraction form
    7,585.12/11,382.74 = 2,654.76/x
  3. Step 3: Cross multiply
    7,585.12x = 11,382.74 × 2,654.76
  4. Step 4: Simplify right side
    7,585.12x = 30,218,442.84
  5. Step 5: Solve for x
    x = 30,218,442.84/7,585.12
  6. Step 6: Final answer
    x = 3,983.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.