Home / 10,272.80-14,176.60-6,238.48

Finding the Fourth Proportional to 10,272.80, 14,176.60 and 6,238.48

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Solution

The fourth proportional to 10,272.80, 14,176.60 and 6,238.48 is: 8,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.80 : 14,176.60 = 6,238.48 : x
  2. Step 2: Convert to fraction form
    10,272.80/14,176.60 = 6,238.48/x
  3. Step 3: Cross multiply
    10,272.80x = 14,176.60 × 6,238.48
  4. Step 4: Simplify right side
    10,272.80x = 88,440,435.57
  5. Step 5: Solve for x
    x = 88,440,435.57/10,272.80
  6. Step 6: Final answer
    x = 8,609.18

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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.