Home / 8,377.86-12,567.40-2,829.36

Finding the Fourth Proportional to 8,377.86, 12,567.40 and 2,829.36

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Solution

The fourth proportional to 8,377.86, 12,567.40 and 2,829.36 is: 4,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.86 : 12,567.40 = 2,829.36 : x
  2. Step 2: Convert to fraction form
    8,377.86/12,567.40 = 2,829.36/x
  3. Step 3: Cross multiply
    8,377.86x = 12,567.40 × 2,829.36
  4. Step 4: Simplify right side
    8,377.86x = 35,557,698.86
  5. Step 5: Solve for x
    x = 35,557,698.86/8,377.86
  6. Step 6: Final answer
    x = 4,244.25

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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.