Home / 8,943.53-12,342.11-4,964.72

Finding the Fourth Proportional to 8,943.53, 12,342.11 and 4,964.72

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Solution

The fourth proportional to 8,943.53, 12,342.11 and 4,964.72 is: 6,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.53 : 12,342.11 = 4,964.72 : x
  2. Step 2: Convert to fraction form
    8,943.53/12,342.11 = 4,964.72/x
  3. Step 3: Cross multiply
    8,943.53x = 12,342.11 × 4,964.72
  4. Step 4: Simplify right side
    8,943.53x = 61,275,033.83
  5. Step 5: Solve for x
    x = 61,275,033.83/8,943.53
  6. Step 6: Final answer
    x = 6,851.33

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1.5x scale

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.