Home / 8,823.94-12,179.77-5,680.13

Finding the Fourth Proportional to 8,823.94, 12,179.77 and 5,680.13

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Solution

The fourth proportional to 8,823.94, 12,179.77 and 5,680.13 is: 7,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.94 : 12,179.77 = 5,680.13 : x
  2. Step 2: Convert to fraction form
    8,823.94/12,179.77 = 5,680.13/x
  3. Step 3: Cross multiply
    8,823.94x = 12,179.77 × 5,680.13
  4. Step 4: Simplify right side
    8,823.94x = 69,182,601.87
  5. Step 5: Solve for x
    x = 69,182,601.87/8,823.94
  6. Step 6: Final answer
    x = 7,840.33

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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.