Home / 10,378.11-15,568.02-4,375.92

Finding the Fourth Proportional to 10,378.11, 15,568.02 and 4,375.92

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Solution

The fourth proportional to 10,378.11, 15,568.02 and 4,375.92 is: 6,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.11 : 15,568.02 = 4,375.92 : x
  2. Step 2: Convert to fraction form
    10,378.11/15,568.02 = 4,375.92/x
  3. Step 3: Cross multiply
    10,378.11x = 15,568.02 × 4,375.92
  4. Step 4: Simplify right side
    10,378.11x = 68,124,410.08
  5. Step 5: Solve for x
    x = 68,124,410.08/10,378.11
  6. Step 6: Final answer
    x = 6,564.24

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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.