Home / 8,168.41-11,272.07-4,631.55

Finding the Fourth Proportional to 8,168.41, 11,272.07 and 4,631.55

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Solution

The fourth proportional to 8,168.41, 11,272.07 and 4,631.55 is: 6,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.41 : 11,272.07 = 4,631.55 : x
  2. Step 2: Convert to fraction form
    8,168.41/11,272.07 = 4,631.55/x
  3. Step 3: Cross multiply
    8,168.41x = 11,272.07 × 4,631.55
  4. Step 4: Simplify right side
    8,168.41x = 52,207,155.81
  5. Step 5: Solve for x
    x = 52,207,155.81/8,168.41
  6. Step 6: Final answer
    x = 6,391.35

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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.