Home / 10,586.39-15,879.17-5,043.56

Finding the Fourth Proportional to 10,586.39, 15,879.17 and 5,043.56

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Solution

The fourth proportional to 10,586.39, 15,879.17 and 5,043.56 is: 7,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.39 : 15,879.17 = 5,043.56 : x
  2. Step 2: Convert to fraction form
    10,586.39/15,879.17 = 5,043.56/x
  3. Step 3: Cross multiply
    10,586.39x = 15,879.17 × 5,043.56
  4. Step 4: Simplify right side
    10,586.39x = 80,087,479.86
  5. Step 5: Solve for x
    x = 80,087,479.86/10,586.39
  6. Step 6: Final answer
    x = 7,565.14

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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.