Home / 9,110.75-13,666.13-2,954.75

Finding the Fourth Proportional to 9,110.75, 13,666.13 and 2,954.75

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Solution

The fourth proportional to 9,110.75, 13,666.13 and 2,954.75 is: 4,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.75 : 13,666.13 = 2,954.75 : x
  2. Step 2: Convert to fraction form
    9,110.75/13,666.13 = 2,954.75/x
  3. Step 3: Cross multiply
    9,110.75x = 13,666.13 × 2,954.75
  4. Step 4: Simplify right side
    9,110.75x = 40,379,982.84
  5. Step 5: Solve for x
    x = 40,379,982.84/9,110.75
  6. Step 6: Final answer
    x = 4,432.13

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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.