Home / 10,269.13-14,171.40-5,553.41

Finding the Fourth Proportional to 10,269.13, 14,171.40 and 5,553.41

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Solution

The fourth proportional to 10,269.13, 14,171.40 and 5,553.41 is: 7,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.13 : 14,171.40 = 5,553.41 : x
  2. Step 2: Convert to fraction form
    10,269.13/14,171.40 = 5,553.41/x
  3. Step 3: Cross multiply
    10,269.13x = 14,171.40 × 5,553.41
  4. Step 4: Simplify right side
    10,269.13x = 78,699,594.47
  5. Step 5: Solve for x
    x = 78,699,594.47/10,269.13
  6. Step 6: Final answer
    x = 7,663.71

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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.