Home / 10,282.80-15,426.60-3,357.36

Finding the Fourth Proportional to 10,282.80, 15,426.60 and 3,357.36

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Solution

The fourth proportional to 10,282.80, 15,426.60 and 3,357.36 is: 5,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.80 : 15,426.60 = 3,357.36 : x
  2. Step 2: Convert to fraction form
    10,282.80/15,426.60 = 3,357.36/x
  3. Step 3: Cross multiply
    10,282.80x = 15,426.60 × 3,357.36
  4. Step 4: Simplify right side
    10,282.80x = 51,792,649.78
  5. Step 5: Solve for x
    x = 51,792,649.78/10,282.80
  6. Step 6: Final answer
    x = 5,036.82

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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.