Home / 10,150.74-15,211.85-7,650.27

Finding the Fourth Proportional to 10,150.74, 15,211.85 and 7,650.27

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Solution

The fourth proportional to 10,150.74, 15,211.85 and 7,650.27 is: 11,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.74 : 15,211.85 = 7,650.27 : x
  2. Step 2: Convert to fraction form
    10,150.74/15,211.85 = 7,650.27/x
  3. Step 3: Cross multiply
    10,150.74x = 15,211.85 × 7,650.27
  4. Step 4: Simplify right side
    10,150.74x = 116,374,721.45
  5. Step 5: Solve for x
    x = 116,374,721.45/10,150.74
  6. Step 6: Final answer
    x = 11,464.65

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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.