Home / 10,723.81-16,085.73-4,882.09

Finding the Fourth Proportional to 10,723.81, 16,085.73 and 4,882.09

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Solution

The fourth proportional to 10,723.81, 16,085.73 and 4,882.09 is: 7,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.81 : 16,085.73 = 4,882.09 : x
  2. Step 2: Convert to fraction form
    10,723.81/16,085.73 = 4,882.09/x
  3. Step 3: Cross multiply
    10,723.81x = 16,085.73 × 4,882.09
  4. Step 4: Simplify right side
    10,723.81x = 78,531,981.58
  5. Step 5: Solve for x
    x = 78,531,981.58/10,723.81
  6. Step 6: Final answer
    x = 7,323.14

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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.