Home / 8,565.24-11,819.58-4,839

Finding the Fourth Proportional to 8,565.24, 11,819.58 and 4,839

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Solution

The fourth proportional to 8,565.24, 11,819.58 and 4,839 is: 6,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.24 : 11,819.58 = 4,839 : x
  2. Step 2: Convert to fraction form
    8,565.24/11,819.58 = 4,839/x
  3. Step 3: Cross multiply
    8,565.24x = 11,819.58 × 4,839
  4. Step 4: Simplify right side
    8,565.24x = 57,194,947.62
  5. Step 5: Solve for x
    x = 57,194,947.62/8,565.24
  6. Step 6: Final answer
    x = 6,677.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.