Home / 9,377.92-12,941.44-5,186.24

Finding the Fourth Proportional to 9,377.92, 12,941.44 and 5,186.24

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Solution

The fourth proportional to 9,377.92, 12,941.44 and 5,186.24 is: 7,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.92 : 12,941.44 = 5,186.24 : x
  2. Step 2: Convert to fraction form
    9,377.92/12,941.44 = 5,186.24/x
  3. Step 3: Cross multiply
    9,377.92x = 12,941.44 × 5,186.24
  4. Step 4: Simplify right side
    9,377.92x = 67,117,413.79
  5. Step 5: Solve for x
    x = 67,117,413.79/9,377.92
  6. Step 6: Final answer
    x = 7,156.96

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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.