Home / 10,887.34-16,332-3,866.68

Finding the Fourth Proportional to 10,887.34, 16,332 and 3,866.68

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Solution

The fourth proportional to 10,887.34, 16,332 and 3,866.68 is: 5,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.34 : 16,332 = 3,866.68 : x
  2. Step 2: Convert to fraction form
    10,887.34/16,332 = 3,866.68/x
  3. Step 3: Cross multiply
    10,887.34x = 16,332 × 3,866.68
  4. Step 4: Simplify right side
    10,887.34x = 63,150,617.76
  5. Step 5: Solve for x
    x = 63,150,617.76/10,887.34
  6. Step 6: Final answer
    x = 5,800.37

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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.