Home / 12,253.50-18,376.11-4,860.54

Finding the Fourth Proportional to 12,253.50, 18,376.11 and 4,860.54

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Solution

The fourth proportional to 12,253.50, 18,376.11 and 4,860.54 is: 7,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.50 : 18,376.11 = 4,860.54 : x
  2. Step 2: Convert to fraction form
    12,253.50/18,376.11 = 4,860.54/x
  3. Step 3: Cross multiply
    12,253.50x = 18,376.11 × 4,860.54
  4. Step 4: Simplify right side
    12,253.50x = 89,317,817.70
  5. Step 5: Solve for x
    x = 89,317,817.70/12,253.50
  6. Step 6: Final answer
    x = 7,289.17

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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.