Home / 10,225.80-15,340.75-3,651.82

Finding the Fourth Proportional to 10,225.80, 15,340.75 and 3,651.82

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Solution

The fourth proportional to 10,225.80, 15,340.75 and 3,651.82 is: 5,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.80 : 15,340.75 = 3,651.82 : x
  2. Step 2: Convert to fraction form
    10,225.80/15,340.75 = 3,651.82/x
  3. Step 3: Cross multiply
    10,225.80x = 15,340.75 × 3,651.82
  4. Step 4: Simplify right side
    10,225.80x = 56,021,657.67
  5. Step 5: Solve for x
    x = 56,021,657.67/10,225.80
  6. Step 6: Final answer
    x = 5,478.46

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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.