Home / 10,869.60-16,306.20-4,632.60

Finding the Fourth Proportional to 10,869.60, 16,306.20 and 4,632.60

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Solution

The fourth proportional to 10,869.60, 16,306.20 and 4,632.60 is: 6,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.60 : 16,306.20 = 4,632.60 : x
  2. Step 2: Convert to fraction form
    10,869.60/16,306.20 = 4,632.60/x
  3. Step 3: Cross multiply
    10,869.60x = 16,306.20 × 4,632.60
  4. Step 4: Simplify right side
    10,869.60x = 75,540,102.12
  5. Step 5: Solve for x
    x = 75,540,102.12/10,869.60
  6. Step 6: Final answer
    x = 6,949.67

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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.