Home / 11,431.30-17,099.52-10,731.46

Finding the Fourth Proportional to 11,431.30, 17,099.52 and 10,731.46

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Solution

The fourth proportional to 11,431.30, 17,099.52 and 10,731.46 is: 16,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.30 : 17,099.52 = 10,731.46 : x
  2. Step 2: Convert to fraction form
    11,431.30/17,099.52 = 10,731.46/x
  3. Step 3: Cross multiply
    11,431.30x = 17,099.52 × 10,731.46
  4. Step 4: Simplify right side
    11,431.30x = 183,502,814.90
  5. Step 5: Solve for x
    x = 183,502,814.90/11,431.30
  6. Step 6: Final answer
    x = 16,052.66

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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.