Home / 7,961.24-10,986.74-5,234.76

Finding the Fourth Proportional to 7,961.24, 10,986.74 and 5,234.76

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Solution

The fourth proportional to 7,961.24, 10,986.74 and 5,234.76 is: 7,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.24 : 10,986.74 = 5,234.76 : x
  2. Step 2: Convert to fraction form
    7,961.24/10,986.74 = 5,234.76/x
  3. Step 3: Cross multiply
    7,961.24x = 10,986.74 × 5,234.76
  4. Step 4: Simplify right side
    7,961.24x = 57,512,947.08
  5. Step 5: Solve for x
    x = 57,512,947.08/7,961.24
  6. Step 6: Final answer
    x = 7,224.12

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Double scale
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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.