Home / 10,269.93-15,403.13-2,872.66

Finding the Fourth Proportional to 10,269.93, 15,403.13 and 2,872.66

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Solution

The fourth proportional to 10,269.93, 15,403.13 and 2,872.66 is: 4,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.93 : 15,403.13 = 2,872.66 : x
  2. Step 2: Convert to fraction form
    10,269.93/15,403.13 = 2,872.66/x
  3. Step 3: Cross multiply
    10,269.93x = 15,403.13 × 2,872.66
  4. Step 4: Simplify right side
    10,269.93x = 44,247,902.55
  5. Step 5: Solve for x
    x = 44,247,902.55/10,269.93
  6. Step 6: Final answer
    x = 4,308.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.