Home / 7,589.13-11,383.71-3,690.18

Finding the Fourth Proportional to 7,589.13, 11,383.71 and 3,690.18

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Solution

The fourth proportional to 7,589.13, 11,383.71 and 3,690.18 is: 5,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.13 : 11,383.71 = 3,690.18 : x
  2. Step 2: Convert to fraction form
    7,589.13/11,383.71 = 3,690.18/x
  3. Step 3: Cross multiply
    7,589.13x = 11,383.71 × 3,690.18
  4. Step 4: Simplify right side
    7,589.13x = 42,007,938.97
  5. Step 5: Solve for x
    x = 42,007,938.97/7,589.13
  6. Step 6: Final answer
    x = 5,535.28

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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.