Home / 8,913.81-13,372.56-2,673.57

Finding the Fourth Proportional to 8,913.81, 13,372.56 and 2,673.57

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Solution

The fourth proportional to 8,913.81, 13,372.56 and 2,673.57 is: 4,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.81 : 13,372.56 = 2,673.57 : x
  2. Step 2: Convert to fraction form
    8,913.81/13,372.56 = 2,673.57/x
  3. Step 3: Cross multiply
    8,913.81x = 13,372.56 × 2,673.57
  4. Step 4: Simplify right side
    8,913.81x = 35,752,475.24
  5. Step 5: Solve for x
    x = 35,752,475.24/8,913.81
  6. Step 6: Final answer
    x = 4,010.91

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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.