Home / 10,225.94-15,339.24-2,829.78

Finding the Fourth Proportional to 10,225.94, 15,339.24 and 2,829.78

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Solution

The fourth proportional to 10,225.94, 15,339.24 and 2,829.78 is: 4,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.94 : 15,339.24 = 2,829.78 : x
  2. Step 2: Convert to fraction form
    10,225.94/15,339.24 = 2,829.78/x
  3. Step 3: Cross multiply
    10,225.94x = 15,339.24 × 2,829.78
  4. Step 4: Simplify right side
    10,225.94x = 43,406,674.57
  5. Step 5: Solve for x
    x = 43,406,674.57/10,225.94
  6. Step 6: Final answer
    x = 4,244.76

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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.