Home / 10,729.31-16,076.39-10,319.24

Finding the Fourth Proportional to 10,729.31, 16,076.39 and 10,319.24

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Solution

The fourth proportional to 10,729.31, 16,076.39 and 10,319.24 is: 15,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.31 : 16,076.39 = 10,319.24 : x
  2. Step 2: Convert to fraction form
    10,729.31/16,076.39 = 10,319.24/x
  3. Step 3: Cross multiply
    10,729.31x = 16,076.39 × 10,319.24
  4. Step 4: Simplify right side
    10,729.31x = 165,896,115.34
  5. Step 5: Solve for x
    x = 165,896,115.34/10,729.31
  6. Step 6: Final answer
    x = 15,461.96

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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.