Home / 8,943.72-12,342.38-4,964.87

Finding the Fourth Proportional to 8,943.72, 12,342.38 and 4,964.87

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Solution

The fourth proportional to 8,943.72, 12,342.38 and 4,964.87 is: 6,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.72 : 12,342.38 = 4,964.87 : x
  2. Step 2: Convert to fraction form
    8,943.72/12,342.38 = 4,964.87/x
  3. Step 3: Cross multiply
    8,943.72x = 12,342.38 × 4,964.87
  4. Step 4: Simplify right side
    8,943.72x = 61,278,225.65
  5. Step 5: Solve for x
    x = 61,278,225.65/8,943.72
  6. Step 6: Final answer
    x = 6,851.54

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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.