Home / 15,076.16-22,616.29-5,212.79

Finding the Fourth Proportional to 15,076.16, 22,616.29 and 5,212.79

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Solution

The fourth proportional to 15,076.16, 22,616.29 and 5,212.79 is: 7,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.16 : 22,616.29 = 5,212.79 : x
  2. Step 2: Convert to fraction form
    15,076.16/22,616.29 = 5,212.79/x
  3. Step 3: Cross multiply
    15,076.16x = 22,616.29 × 5,212.79
  4. Step 4: Simplify right side
    15,076.16x = 117,893,857.27
  5. Step 5: Solve for x
    x = 117,893,857.27/15,076.16
  6. Step 6: Final answer
    x = 7,819.89

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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.