Home / 8,565.60-11,819.87-5,207.94

Finding the Fourth Proportional to 8,565.60, 11,819.87 and 5,207.94

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Solution

The fourth proportional to 8,565.60, 11,819.87 and 5,207.94 is: 7,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.60 : 11,819.87 = 5,207.94 : x
  2. Step 2: Convert to fraction form
    8,565.60/11,819.87 = 5,207.94/x
  3. Step 3: Cross multiply
    8,565.60x = 11,819.87 × 5,207.94
  4. Step 4: Simplify right side
    8,565.60x = 61,557,173.77
  5. Step 5: Solve for x
    x = 61,557,173.77/8,565.60
  6. Step 6: Final answer
    x = 7,186.56

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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.