Home / 10,724.54-16,090.85-4,488.75

Finding the Fourth Proportional to 10,724.54, 16,090.85 and 4,488.75

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Solution

The fourth proportional to 10,724.54, 16,090.85 and 4,488.75 is: 6,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.54 : 16,090.85 = 4,488.75 : x
  2. Step 2: Convert to fraction form
    10,724.54/16,090.85 = 4,488.75/x
  3. Step 3: Cross multiply
    10,724.54x = 16,090.85 × 4,488.75
  4. Step 4: Simplify right side
    10,724.54x = 72,227,814.16
  5. Step 5: Solve for x
    x = 72,227,814.16/10,724.54
  6. Step 6: Final answer
    x = 6,734.82

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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.