Home / 10,351.52-15,514.02-5,085.26

Finding the Fourth Proportional to 10,351.52, 15,514.02 and 5,085.26

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Solution

The fourth proportional to 10,351.52, 15,514.02 and 5,085.26 is: 7,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.52 : 15,514.02 = 5,085.26 : x
  2. Step 2: Convert to fraction form
    10,351.52/15,514.02 = 5,085.26/x
  3. Step 3: Cross multiply
    10,351.52x = 15,514.02 × 5,085.26
  4. Step 4: Simplify right side
    10,351.52x = 78,892,825.35
  5. Step 5: Solve for x
    x = 78,892,825.35/10,351.52
  6. Step 6: Final answer
    x = 7,621.38

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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.