Home / 7,324.88-10,102.74-5,086.76

Finding the Fourth Proportional to 7,324.88, 10,102.74 and 5,086.76

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Solution

The fourth proportional to 7,324.88, 10,102.74 and 5,086.76 is: 7,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.88 : 10,102.74 = 5,086.76 : x
  2. Step 2: Convert to fraction form
    7,324.88/10,102.74 = 5,086.76/x
  3. Step 3: Cross multiply
    7,324.88x = 10,102.74 × 5,086.76
  4. Step 4: Simplify right side
    7,324.88x = 51,390,213.72
  5. Step 5: Solve for x
    x = 51,390,213.72/7,324.88
  6. Step 6: Final answer
    x = 7,015.84

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Half 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.