Home / 12,248.40-18,367.20-4,850.40

Finding the Fourth Proportional to 12,248.40, 18,367.20 and 4,850.40

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Solution

The fourth proportional to 12,248.40, 18,367.20 and 4,850.40 is: 7,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.40 : 18,367.20 = 4,850.40 : x
  2. Step 2: Convert to fraction form
    12,248.40/18,367.20 = 4,850.40/x
  3. Step 3: Cross multiply
    12,248.40x = 18,367.20 × 4,850.40
  4. Step 4: Simplify right side
    12,248.40x = 89,088,266.88
  5. Step 5: Solve for x
    x = 89,088,266.88/12,248.40
  6. Step 6: Final answer
    x = 7,273.46

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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.