Home / 8,943.67-12,342.11-4,964.70

Finding the Fourth Proportional to 8,943.67, 12,342.11 and 4,964.70

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Solution

The fourth proportional to 8,943.67, 12,342.11 and 4,964.70 is: 6,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.67 : 12,342.11 = 4,964.70 : x
  2. Step 2: Convert to fraction form
    8,943.67/12,342.11 = 4,964.70/x
  3. Step 3: Cross multiply
    8,943.67x = 12,342.11 × 4,964.70
  4. Step 4: Simplify right side
    8,943.67x = 61,274,873.52
  5. Step 5: Solve for x
    x = 61,274,873.52/8,943.67
  6. Step 6: Final answer
    x = 6,851.20

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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.