Home / 10,961.38-15,125.83-6,710.67

Finding the Fourth Proportional to 10,961.38, 15,125.83 and 6,710.67

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Solution

The fourth proportional to 10,961.38, 15,125.83 and 6,710.67 is: 9,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.38 : 15,125.83 = 6,710.67 : x
  2. Step 2: Convert to fraction form
    10,961.38/15,125.83 = 6,710.67/x
  3. Step 3: Cross multiply
    10,961.38x = 15,125.83 × 6,710.67
  4. Step 4: Simplify right side
    10,961.38x = 101,504,453.61
  5. Step 5: Solve for x
    x = 101,504,453.61/10,961.38
  6. Step 6: Final answer
    x = 9,260.19

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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.