Home / 10,124.01-15,187.82-3,103.88

Finding the Fourth Proportional to 10,124.01, 15,187.82 and 3,103.88

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Solution

The fourth proportional to 10,124.01, 15,187.82 and 3,103.88 is: 4,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.01 : 15,187.82 = 3,103.88 : x
  2. Step 2: Convert to fraction form
    10,124.01/15,187.82 = 3,103.88/x
  3. Step 3: Cross multiply
    10,124.01x = 15,187.82 × 3,103.88
  4. Step 4: Simplify right side
    10,124.01x = 47,141,170.74
  5. Step 5: Solve for x
    x = 47,141,170.74/10,124.01
  6. Step 6: Final answer
    x = 4,656.37

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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.