Home / 10,126.92-15,190.29-3,201.42

Finding the Fourth Proportional to 10,126.92, 15,190.29 and 3,201.42

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Solution

The fourth proportional to 10,126.92, 15,190.29 and 3,201.42 is: 4,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.92 : 15,190.29 = 3,201.42 : x
  2. Step 2: Convert to fraction form
    10,126.92/15,190.29 = 3,201.42/x
  3. Step 3: Cross multiply
    10,126.92x = 15,190.29 × 3,201.42
  4. Step 4: Simplify right side
    10,126.92x = 48,630,498.21
  5. Step 5: Solve for x
    x = 48,630,498.21/10,126.92
  6. Step 6: Final answer
    x = 4,802.10

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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.