Home / 12,184.39-18,242.85-6,248.48

Finding the Fourth Proportional to 12,184.39, 18,242.85 and 6,248.48

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Solution

The fourth proportional to 12,184.39, 18,242.85 and 6,248.48 is: 9,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.39 : 18,242.85 = 6,248.48 : x
  2. Step 2: Convert to fraction form
    12,184.39/18,242.85 = 6,248.48/x
  3. Step 3: Cross multiply
    12,184.39x = 18,242.85 × 6,248.48
  4. Step 4: Simplify right side
    12,184.39x = 113,990,015.59
  5. Step 5: Solve for x
    x = 113,990,015.59/12,184.39
  6. Step 6: Final answer
    x = 9,355.41

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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.