Home / 8,943.84-12,342.42-4,964.85

Finding the Fourth Proportional to 8,943.84, 12,342.42 and 4,964.85

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Solution

The fourth proportional to 8,943.84, 12,342.42 and 4,964.85 is: 6,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.84 : 12,342.42 = 4,964.85 : x
  2. Step 2: Convert to fraction form
    8,943.84/12,342.42 = 4,964.85/x
  3. Step 3: Cross multiply
    8,943.84x = 12,342.42 × 4,964.85
  4. Step 4: Simplify right side
    8,943.84x = 61,278,263.94
  5. Step 5: Solve for x
    x = 61,278,263.94/8,943.84
  6. Step 6: Final answer
    x = 6,851.45

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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.