Home / 10,756.75-16,140.60-4,914.73

Finding the Fourth Proportional to 10,756.75, 16,140.60 and 4,914.73

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Solution

The fourth proportional to 10,756.75, 16,140.60 and 4,914.73 is: 7,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.75 : 16,140.60 = 4,914.73 : x
  2. Step 2: Convert to fraction form
    10,756.75/16,140.60 = 4,914.73/x
  3. Step 3: Cross multiply
    10,756.75x = 16,140.60 × 4,914.73
  4. Step 4: Simplify right side
    10,756.75x = 79,326,691.04
  5. Step 5: Solve for x
    x = 79,326,691.04/10,756.75
  6. Step 6: Final answer
    x = 7,374.60

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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.