Home / 12,247.18-18,372.18-4,852.28

Finding the Fourth Proportional to 12,247.18, 18,372.18 and 4,852.28

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Solution

The fourth proportional to 12,247.18, 18,372.18 and 4,852.28 is: 7,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.18 : 18,372.18 = 4,852.28 : x
  2. Step 2: Convert to fraction form
    12,247.18/18,372.18 = 4,852.28/x
  3. Step 3: Cross multiply
    12,247.18x = 18,372.18 × 4,852.28
  4. Step 4: Simplify right side
    12,247.18x = 89,146,961.57
  5. Step 5: Solve for x
    x = 89,146,961.57/12,247.18
  6. Step 6: Final answer
    x = 7,278.98

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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.