Home / 10,524.06-15,788.52-3,128.36

Finding the Fourth Proportional to 10,524.06, 15,788.52 and 3,128.36

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Solution

The fourth proportional to 10,524.06, 15,788.52 and 3,128.36 is: 4,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,524.06 : 15,788.52 = 3,128.36 : x
  2. Step 2: Convert to fraction form
    10,524.06/15,788.52 = 3,128.36/x
  3. Step 3: Cross multiply
    10,524.06x = 15,788.52 × 3,128.36
  4. Step 4: Simplify right side
    10,524.06x = 49,392,174.43
  5. Step 5: Solve for x
    x = 49,392,174.43/10,524.06
  6. Step 6: Final answer
    x = 4,693.26

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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.