Home / 10,215.57-14,092.48-6,229.76

Finding the Fourth Proportional to 10,215.57, 14,092.48 and 6,229.76

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Solution

The fourth proportional to 10,215.57, 14,092.48 and 6,229.76 is: 8,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.57 : 14,092.48 = 6,229.76 : x
  2. Step 2: Convert to fraction form
    10,215.57/14,092.48 = 6,229.76/x
  3. Step 3: Cross multiply
    10,215.57x = 14,092.48 × 6,229.76
  4. Step 4: Simplify right side
    10,215.57x = 87,792,784.80
  5. Step 5: Solve for x
    x = 87,792,784.80/10,215.57
  6. Step 6: Final answer
    x = 8,594.02

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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.