Home / 10,235.94-15,356.25-3,572.70

Finding the Fourth Proportional to 10,235.94, 15,356.25 and 3,572.70

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Solution

The fourth proportional to 10,235.94, 15,356.25 and 3,572.70 is: 5,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.94 : 15,356.25 = 3,572.70 : x
  2. Step 2: Convert to fraction form
    10,235.94/15,356.25 = 3,572.70/x
  3. Step 3: Cross multiply
    10,235.94x = 15,356.25 × 3,572.70
  4. Step 4: Simplify right side
    10,235.94x = 54,863,274.38
  5. Step 5: Solve for x
    x = 54,863,274.38/10,235.94
  6. Step 6: Final answer
    x = 5,359.87

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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.