Home / 10,231.72-15,347.58-4,384.54

Finding the Fourth Proportional to 10,231.72, 15,347.58 and 4,384.54

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Solution

The fourth proportional to 10,231.72, 15,347.58 and 4,384.54 is: 6,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.72 : 15,347.58 = 4,384.54 : x
  2. Step 2: Convert to fraction form
    10,231.72/15,347.58 = 4,384.54/x
  3. Step 3: Cross multiply
    10,231.72x = 15,347.58 × 4,384.54
  4. Step 4: Simplify right side
    10,231.72x = 67,292,078.41
  5. Step 5: Solve for x
    x = 67,292,078.41/10,231.72
  6. Step 6: Final answer
    x = 6,576.81

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Similar ratio
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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.