Home / 10,329.91-14,255.42-5,614.19

Finding the Fourth Proportional to 10,329.91, 14,255.42 and 5,614.19

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Solution

The fourth proportional to 10,329.91, 14,255.42 and 5,614.19 is: 7,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.91 : 14,255.42 = 5,614.19 : x
  2. Step 2: Convert to fraction form
    10,329.91/14,255.42 = 5,614.19/x
  3. Step 3: Cross multiply
    10,329.91x = 14,255.42 × 5,614.19
  4. Step 4: Simplify right side
    10,329.91x = 80,032,636.41
  5. Step 5: Solve for x
    x = 80,032,636.41/10,329.91
  6. Step 6: Final answer
    x = 7,747.66

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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.