Home / 10,218.56-14,102.91-6,238.82

Finding the Fourth Proportional to 10,218.56, 14,102.91 and 6,238.82

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Solution

The fourth proportional to 10,218.56, 14,102.91 and 6,238.82 is: 8,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.56 : 14,102.91 = 6,238.82 : x
  2. Step 2: Convert to fraction form
    10,218.56/14,102.91 = 6,238.82/x
  3. Step 3: Cross multiply
    10,218.56x = 14,102.91 × 6,238.82
  4. Step 4: Simplify right side
    10,218.56x = 87,985,552.22
  5. Step 5: Solve for x
    x = 87,985,552.22/10,218.56
  6. Step 6: Final answer
    x = 8,610.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.