Home / 10,744.36-16,121.50-4,902.76

Finding the Fourth Proportional to 10,744.36, 16,121.50 and 4,902.76

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Solution

The fourth proportional to 10,744.36, 16,121.50 and 4,902.76 is: 7,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.36 : 16,121.50 = 4,902.76 : x
  2. Step 2: Convert to fraction form
    10,744.36/16,121.50 = 4,902.76/x
  3. Step 3: Cross multiply
    10,744.36x = 16,121.50 × 4,902.76
  4. Step 4: Simplify right side
    10,744.36x = 79,039,845.34
  5. Step 5: Solve for x
    x = 79,039,845.34/10,744.36
  6. Step 6: Final answer
    x = 7,356.40

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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.