Home / 10,042.16-15,078.36-6,162.80

Finding the Fourth Proportional to 10,042.16, 15,078.36 and 6,162.80

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Solution

The fourth proportional to 10,042.16, 15,078.36 and 6,162.80 is: 9,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.16 : 15,078.36 = 6,162.80 : x
  2. Step 2: Convert to fraction form
    10,042.16/15,078.36 = 6,162.80/x
  3. Step 3: Cross multiply
    10,042.16x = 15,078.36 × 6,162.80
  4. Step 4: Simplify right side
    10,042.16x = 92,924,917.01
  5. Step 5: Solve for x
    x = 92,924,917.01/10,042.16
  6. Step 6: Final answer
    x = 9,253.48

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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.