Home / 10,269.66-14,172.15-5,553.93

Finding the Fourth Proportional to 10,269.66, 14,172.15 and 5,553.93

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Solution

The fourth proportional to 10,269.66, 14,172.15 and 5,553.93 is: 7,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.66 : 14,172.15 = 5,553.93 : x
  2. Step 2: Convert to fraction form
    10,269.66/14,172.15 = 5,553.93/x
  3. Step 3: Cross multiply
    10,269.66x = 14,172.15 × 5,553.93
  4. Step 4: Simplify right side
    10,269.66x = 78,711,129.05
  5. Step 5: Solve for x
    x = 78,711,129.05/10,269.66
  6. Step 6: Final answer
    x = 7,664.43

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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.