Home / 10,400.14-15,601.20-3,826.45

Finding the Fourth Proportional to 10,400.14, 15,601.20 and 3,826.45

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Solution

The fourth proportional to 10,400.14, 15,601.20 and 3,826.45 is: 5,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.14 : 15,601.20 = 3,826.45 : x
  2. Step 2: Convert to fraction form
    10,400.14/15,601.20 = 3,826.45/x
  3. Step 3: Cross multiply
    10,400.14x = 15,601.20 × 3,826.45
  4. Step 4: Simplify right side
    10,400.14x = 59,697,211.74
  5. Step 5: Solve for x
    x = 59,697,211.74/10,400.14
  6. Step 6: Final answer
    x = 5,740.04

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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.