Home / 10,124.65-15,187.12-3,551.03

Finding the Fourth Proportional to 10,124.65, 15,187.12 and 3,551.03

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Solution

The fourth proportional to 10,124.65, 15,187.12 and 3,551.03 is: 5,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.65 : 15,187.12 = 3,551.03 : x
  2. Step 2: Convert to fraction form
    10,124.65/15,187.12 = 3,551.03/x
  3. Step 3: Cross multiply
    10,124.65x = 15,187.12 × 3,551.03
  4. Step 4: Simplify right side
    10,124.65x = 53,929,918.73
  5. Step 5: Solve for x
    x = 53,929,918.73/10,124.65
  6. Step 6: Final answer
    x = 5,326.60

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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.