Home / 10,163.40-15,240.40-4,616.52

Finding the Fourth Proportional to 10,163.40, 15,240.40 and 4,616.52

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Solution

The fourth proportional to 10,163.40, 15,240.40 and 4,616.52 is: 6,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.40 : 15,240.40 = 4,616.52 : x
  2. Step 2: Convert to fraction form
    10,163.40/15,240.40 = 4,616.52/x
  3. Step 3: Cross multiply
    10,163.40x = 15,240.40 × 4,616.52
  4. Step 4: Simplify right side
    10,163.40x = 70,357,611.41
  5. Step 5: Solve for x
    x = 70,357,611.41/10,163.40
  6. Step 6: Final answer
    x = 6,922.65

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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.