Home / 11,167.92-15,413.63-6,454.94

Finding the Fourth Proportional to 11,167.92, 15,413.63 and 6,454.94

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Solution

The fourth proportional to 11,167.92, 15,413.63 and 6,454.94 is: 8,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.92 : 15,413.63 = 6,454.94 : x
  2. Step 2: Convert to fraction form
    11,167.92/15,413.63 = 6,454.94/x
  3. Step 3: Cross multiply
    11,167.92x = 15,413.63 × 6,454.94
  4. Step 4: Simplify right side
    11,167.92x = 99,493,947.49
  5. Step 5: Solve for x
    x = 99,493,947.49/11,167.92
  6. Step 6: Final answer
    x = 8,908.91

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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.