Home / 10,731.72-16,097.60-4,488.32

Finding the Fourth Proportional to 10,731.72, 16,097.60 and 4,488.32

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Solution

The fourth proportional to 10,731.72, 16,097.60 and 4,488.32 is: 6,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.72 : 16,097.60 = 4,488.32 : x
  2. Step 2: Convert to fraction form
    10,731.72/16,097.60 = 4,488.32/x
  3. Step 3: Cross multiply
    10,731.72x = 16,097.60 × 4,488.32
  4. Step 4: Simplify right side
    10,731.72x = 72,251,180.03
  5. Step 5: Solve for x
    x = 72,251,180.03/10,731.72
  6. Step 6: Final answer
    x = 6,732.49

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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.