Home / 10,012.16-15,027.65-5,085.33

Finding the Fourth Proportional to 10,012.16, 15,027.65 and 5,085.33

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Solution

The fourth proportional to 10,012.16, 15,027.65 and 5,085.33 is: 7,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.16 : 15,027.65 = 5,085.33 : x
  2. Step 2: Convert to fraction form
    10,012.16/15,027.65 = 5,085.33/x
  3. Step 3: Cross multiply
    10,012.16x = 15,027.65 × 5,085.33
  4. Step 4: Simplify right side
    10,012.16x = 76,420,533.95
  5. Step 5: Solve for x
    x = 76,420,533.95/10,012.16
  6. Step 6: Final answer
    x = 7,632.78

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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.