Home / 10,091.79-15,132.48-4,540.41

Finding the Fourth Proportional to 10,091.79, 15,132.48 and 4,540.41

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Solution

The fourth proportional to 10,091.79, 15,132.48 and 4,540.41 is: 6,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.79 : 15,132.48 = 4,540.41 : x
  2. Step 2: Convert to fraction form
    10,091.79/15,132.48 = 4,540.41/x
  3. Step 3: Cross multiply
    10,091.79x = 15,132.48 × 4,540.41
  4. Step 4: Simplify right side
    10,091.79x = 68,707,663.52
  5. Step 5: Solve for x
    x = 68,707,663.52/10,091.79
  6. Step 6: Final answer
    x = 6,808.27

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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.