Home / 7,586.28-11,378.97-2,391.75

Finding the Fourth Proportional to 7,586.28, 11,378.97 and 2,391.75

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Solution

The fourth proportional to 7,586.28, 11,378.97 and 2,391.75 is: 3,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.28 : 11,378.97 = 2,391.75 : x
  2. Step 2: Convert to fraction form
    7,586.28/11,378.97 = 2,391.75/x
  3. Step 3: Cross multiply
    7,586.28x = 11,378.97 × 2,391.75
  4. Step 4: Simplify right side
    7,586.28x = 27,215,651.50
  5. Step 5: Solve for x
    x = 27,215,651.50/7,586.28
  6. Step 6: Final answer
    x = 3,587.48

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Double scale
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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.