Home / 10,229.49-14,111.69-6,243.68

Finding the Fourth Proportional to 10,229.49, 14,111.69 and 6,243.68

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Solution

The fourth proportional to 10,229.49, 14,111.69 and 6,243.68 is: 8,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.49 : 14,111.69 = 6,243.68 : x
  2. Step 2: Convert to fraction form
    10,229.49/14,111.69 = 6,243.68/x
  3. Step 3: Cross multiply
    10,229.49x = 14,111.69 × 6,243.68
  4. Step 4: Simplify right side
    10,229.49x = 88,108,933.36
  5. Step 5: Solve for x
    x = 88,108,933.36/10,229.49
  6. Step 6: Final answer
    x = 8,613.23

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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.