Home / 11,607.42-17,394.10-7,211.54

Finding the Fourth Proportional to 11,607.42, 17,394.10 and 7,211.54

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Solution

The fourth proportional to 11,607.42, 17,394.10 and 7,211.54 is: 10,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,607.42 : 17,394.10 = 7,211.54 : x
  2. Step 2: Convert to fraction form
    11,607.42/17,394.10 = 7,211.54/x
  3. Step 3: Cross multiply
    11,607.42x = 17,394.10 × 7,211.54
  4. Step 4: Simplify right side
    11,607.42x = 125,438,247.91
  5. Step 5: Solve for x
    x = 125,438,247.91/11,607.42
  6. Step 6: Final answer
    x = 10,806.73

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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.