Home / 10,319.67-14,236.29-6,339.33

Finding the Fourth Proportional to 10,319.67, 14,236.29 and 6,339.33

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Solution

The fourth proportional to 10,319.67, 14,236.29 and 6,339.33 is: 8,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.67 : 14,236.29 = 6,339.33 : x
  2. Step 2: Convert to fraction form
    10,319.67/14,236.29 = 6,339.33/x
  3. Step 3: Cross multiply
    10,319.67x = 14,236.29 × 6,339.33
  4. Step 4: Simplify right side
    10,319.67x = 90,248,540.29
  5. Step 5: Solve for x
    x = 90,248,540.29/10,319.67
  6. Step 6: Final answer
    x = 8,745.29

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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.