Home / 9,981.38-14,971.66-2,961.11

Finding the Fourth Proportional to 9,981.38, 14,971.66 and 2,961.11

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Solution

The fourth proportional to 9,981.38, 14,971.66 and 2,961.11 is: 4,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.38 : 14,971.66 = 2,961.11 : x
  2. Step 2: Convert to fraction form
    9,981.38/14,971.66 = 2,961.11/x
  3. Step 3: Cross multiply
    9,981.38x = 14,971.66 × 2,961.11
  4. Step 4: Simplify right side
    9,981.38x = 44,332,649.88
  5. Step 5: Solve for x
    x = 44,332,649.88/9,981.38
  6. Step 6: Final answer
    x = 4,441.54

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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.