Home / 8,565.83-11,822.18-5,209.69

Finding the Fourth Proportional to 8,565.83, 11,822.18 and 5,209.69

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Solution

The fourth proportional to 8,565.83, 11,822.18 and 5,209.69 is: 7,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.83 : 11,822.18 = 5,209.69 : x
  2. Step 2: Convert to fraction form
    8,565.83/11,822.18 = 5,209.69/x
  3. Step 3: Cross multiply
    8,565.83x = 11,822.18 × 5,209.69
  4. Step 4: Simplify right side
    8,565.83x = 61,589,907.39
  5. Step 5: Solve for x
    x = 61,589,907.39/8,565.83
  6. Step 6: Final answer
    x = 7,190.19

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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.