Home / 10,269.20-15,391.44-4,714.89

Finding the Fourth Proportional to 10,269.20, 15,391.44 and 4,714.89

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Solution

The fourth proportional to 10,269.20, 15,391.44 and 4,714.89 is: 7,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.20 : 15,391.44 = 4,714.89 : x
  2. Step 2: Convert to fraction form
    10,269.20/15,391.44 = 4,714.89/x
  3. Step 3: Cross multiply
    10,269.20x = 15,391.44 × 4,714.89
  4. Step 4: Simplify right side
    10,269.20x = 72,568,946.54
  5. Step 5: Solve for x
    x = 72,568,946.54/10,269.20
  6. Step 6: Final answer
    x = 7,066.66

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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.