Home / 11,176.26-15,423.49-6,140.79

Finding the Fourth Proportional to 11,176.26, 15,423.49 and 6,140.79

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Solution

The fourth proportional to 11,176.26, 15,423.49 and 6,140.79 is: 8,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.26 : 15,423.49 = 6,140.79 : x
  2. Step 2: Convert to fraction form
    11,176.26/15,423.49 = 6,140.79/x
  3. Step 3: Cross multiply
    11,176.26x = 15,423.49 × 6,140.79
  4. Step 4: Simplify right side
    11,176.26x = 94,712,413.16
  5. Step 5: Solve for x
    x = 94,712,413.16/11,176.26
  6. Step 6: Final answer
    x = 8,474.43

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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.