Home / 10,902.67-15,050.25-7,370.66

Finding the Fourth Proportional to 10,902.67, 15,050.25 and 7,370.66

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Solution

The fourth proportional to 10,902.67, 15,050.25 and 7,370.66 is: 10,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.67 : 15,050.25 = 7,370.66 : x
  2. Step 2: Convert to fraction form
    10,902.67/15,050.25 = 7,370.66/x
  3. Step 3: Cross multiply
    10,902.67x = 15,050.25 × 7,370.66
  4. Step 4: Simplify right side
    10,902.67x = 110,930,275.67
  5. Step 5: Solve for x
    x = 110,930,275.67/10,902.67
  6. Step 6: Final answer
    x = 10,174.60

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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.