Home / 12,372.87-18,554.70-4,974.84

Finding the Fourth Proportional to 12,372.87, 18,554.70 and 4,974.84

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Solution

The fourth proportional to 12,372.87, 18,554.70 and 4,974.84 is: 7,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.87 : 18,554.70 = 4,974.84 : x
  2. Step 2: Convert to fraction form
    12,372.87/18,554.70 = 4,974.84/x
  3. Step 3: Cross multiply
    12,372.87x = 18,554.70 × 4,974.84
  4. Step 4: Simplify right side
    12,372.87x = 92,306,663.75
  5. Step 5: Solve for x
    x = 92,306,663.75/12,372.87
  6. Step 6: Final answer
    x = 7,460.41

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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.