Home / 10,467.06-15,679.37-5,186.16

Finding the Fourth Proportional to 10,467.06, 15,679.37 and 5,186.16

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Solution

The fourth proportional to 10,467.06, 15,679.37 and 5,186.16 is: 7,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.06 : 15,679.37 = 5,186.16 : x
  2. Step 2: Convert to fraction form
    10,467.06/15,679.37 = 5,186.16/x
  3. Step 3: Cross multiply
    10,467.06x = 15,679.37 × 5,186.16
  4. Step 4: Simplify right side
    10,467.06x = 81,315,734.48
  5. Step 5: Solve for x
    x = 81,315,734.48/10,467.06
  6. Step 6: Final answer
    x = 7,768.73

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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.