Home / 9,130.06-12,596.10-6,745.78

Finding the Fourth Proportional to 9,130.06, 12,596.10 and 6,745.78

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Solution

The fourth proportional to 9,130.06, 12,596.10 and 6,745.78 is: 9,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.06 : 12,596.10 = 6,745.78 : x
  2. Step 2: Convert to fraction form
    9,130.06/12,596.10 = 6,745.78/x
  3. Step 3: Cross multiply
    9,130.06x = 12,596.10 × 6,745.78
  4. Step 4: Simplify right side
    9,130.06x = 84,970,487.97
  5. Step 5: Solve for x
    x = 84,970,487.97/9,130.06
  6. Step 6: Final answer
    x = 9,306.68

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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.