Home / 10,125.25-15,187.97-3,551.59

Finding the Fourth Proportional to 10,125.25, 15,187.97 and 3,551.59

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Solution

The fourth proportional to 10,125.25, 15,187.97 and 3,551.59 is: 5,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.25 : 15,187.97 = 3,551.59 : x
  2. Step 2: Convert to fraction form
    10,125.25/15,187.97 = 3,551.59/x
  3. Step 3: Cross multiply
    10,125.25x = 15,187.97 × 3,551.59
  4. Step 4: Simplify right side
    10,125.25x = 53,941,442.37
  5. Step 5: Solve for x
    x = 53,941,442.37/10,125.25
  6. Step 6: Final answer
    x = 5,327.42

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1.5x scale

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.