Home / 8,960.86-13,441.29-4,882.78

Finding the Fourth Proportional to 8,960.86, 13,441.29 and 4,882.78

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Solution

The fourth proportional to 8,960.86, 13,441.29 and 4,882.78 is: 7,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.86 : 13,441.29 = 4,882.78 : x
  2. Step 2: Convert to fraction form
    8,960.86/13,441.29 = 4,882.78/x
  3. Step 3: Cross multiply
    8,960.86x = 13,441.29 × 4,882.78
  4. Step 4: Simplify right side
    8,960.86x = 65,630,861.99
  5. Step 5: Solve for x
    x = 65,630,861.99/8,960.86
  6. Step 6: Final answer
    x = 7,324.17

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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.