Home / 8,874.90-13,315.86-5,587.38

Finding the Fourth Proportional to 8,874.90, 13,315.86 and 5,587.38

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Solution

The fourth proportional to 8,874.90, 13,315.86 and 5,587.38 is: 8,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.90 : 13,315.86 = 5,587.38 : x
  2. Step 2: Convert to fraction form
    8,874.90/13,315.86 = 5,587.38/x
  3. Step 3: Cross multiply
    8,874.90x = 13,315.86 × 5,587.38
  4. Step 4: Simplify right side
    8,874.90x = 74,400,769.85
  5. Step 5: Solve for x
    x = 74,400,769.85/8,874.90
  6. Step 6: Final answer
    x = 8,383.28

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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.