Home / 8,242.83-12,355.38-3,565.08

Finding the Fourth Proportional to 8,242.83, 12,355.38 and 3,565.08

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Solution

The fourth proportional to 8,242.83, 12,355.38 and 3,565.08 is: 5,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.83 : 12,355.38 = 3,565.08 : x
  2. Step 2: Convert to fraction form
    8,242.83/12,355.38 = 3,565.08/x
  3. Step 3: Cross multiply
    8,242.83x = 12,355.38 × 3,565.08
  4. Step 4: Simplify right side
    8,242.83x = 44,047,918.13
  5. Step 5: Solve for x
    x = 44,047,918.13/8,242.83
  6. Step 6: Final answer
    x = 5,343.79

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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.