Home / 12,176.04-18,261.62-3,854.64

Finding the Fourth Proportional to 12,176.04, 18,261.62 and 3,854.64

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Solution

The fourth proportional to 12,176.04, 18,261.62 and 3,854.64 is: 5,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.04 : 18,261.62 = 3,854.64 : x
  2. Step 2: Convert to fraction form
    12,176.04/18,261.62 = 3,854.64/x
  3. Step 3: Cross multiply
    12,176.04x = 18,261.62 × 3,854.64
  4. Step 4: Simplify right side
    12,176.04x = 70,391,970.92
  5. Step 5: Solve for x
    x = 70,391,970.92/12,176.04
  6. Step 6: Final answer
    x = 5,781.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.