Home / 10,222.74-15,324.39-6,514.56

Finding the Fourth Proportional to 10,222.74, 15,324.39 and 6,514.56

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Solution

The fourth proportional to 10,222.74, 15,324.39 and 6,514.56 is: 9,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.74 : 15,324.39 = 6,514.56 : x
  2. Step 2: Convert to fraction form
    10,222.74/15,324.39 = 6,514.56/x
  3. Step 3: Cross multiply
    10,222.74x = 15,324.39 × 6,514.56
  4. Step 4: Simplify right side
    10,222.74x = 99,831,658.12
  5. Step 5: Solve for x
    x = 99,831,658.12/10,222.74
  6. Step 6: Final answer
    x = 9,765.65

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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.