Home / 10,247.10-15,368.55-2,849.70

Finding the Fourth Proportional to 10,247.10, 15,368.55 and 2,849.70

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Solution

The fourth proportional to 10,247.10, 15,368.55 and 2,849.70 is: 4,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.10 : 15,368.55 = 2,849.70 : x
  2. Step 2: Convert to fraction form
    10,247.10/15,368.55 = 2,849.70/x
  3. Step 3: Cross multiply
    10,247.10x = 15,368.55 × 2,849.70
  4. Step 4: Simplify right side
    10,247.10x = 43,795,756.94
  5. Step 5: Solve for x
    x = 43,795,756.94/10,247.10
  6. Step 6: Final answer
    x = 4,273.97

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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.