Home / 7,585.92-11,382.12-3,689.28

Finding the Fourth Proportional to 7,585.92, 11,382.12 and 3,689.28

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Solution

The fourth proportional to 7,585.92, 11,382.12 and 3,689.28 is: 5,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.92 : 11,382.12 = 3,689.28 : x
  2. Step 2: Convert to fraction form
    7,585.92/11,382.12 = 3,689.28/x
  3. Step 3: Cross multiply
    7,585.92x = 11,382.12 × 3,689.28
  4. Step 4: Simplify right side
    7,585.92x = 41,991,827.67
  5. Step 5: Solve for x
    x = 41,991,827.67/7,585.92
  6. Step 6: Final answer
    x = 5,535.50

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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.