Home / 8,463.24-12,680.91-2,913.57

Finding the Fourth Proportional to 8,463.24, 12,680.91 and 2,913.57

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Solution

The fourth proportional to 8,463.24, 12,680.91 and 2,913.57 is: 4,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.24 : 12,680.91 = 2,913.57 : x
  2. Step 2: Convert to fraction form
    8,463.24/12,680.91 = 2,913.57/x
  3. Step 3: Cross multiply
    8,463.24x = 12,680.91 × 2,913.57
  4. Step 4: Simplify right side
    8,463.24x = 36,946,718.95
  5. Step 5: Solve for x
    x = 36,946,718.95/8,463.24
  6. Step 6: Final answer
    x = 4,365.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.