Home / 8,941.91-12,340.61-4,963.79

Finding the Fourth Proportional to 8,941.91, 12,340.61 and 4,963.79

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Solution

The fourth proportional to 8,941.91, 12,340.61 and 4,963.79 is: 6,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.91 : 12,340.61 = 4,963.79 : x
  2. Step 2: Convert to fraction form
    8,941.91/12,340.61 = 4,963.79/x
  3. Step 3: Cross multiply
    8,941.91x = 12,340.61 × 4,963.79
  4. Step 4: Simplify right side
    8,941.91x = 61,256,109.99
  5. Step 5: Solve for x
    x = 61,256,109.99/8,941.91
  6. Step 6: Final answer
    x = 6,850.45

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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.