Home / 10,887.82-16,332.77-3,490.52

Finding the Fourth Proportional to 10,887.82, 16,332.77 and 3,490.52

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Solution

The fourth proportional to 10,887.82, 16,332.77 and 3,490.52 is: 5,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.82 : 16,332.77 = 3,490.52 : x
  2. Step 2: Convert to fraction form
    10,887.82/16,332.77 = 3,490.52/x
  3. Step 3: Cross multiply
    10,887.82x = 16,332.77 × 3,490.52
  4. Step 4: Simplify right side
    10,887.82x = 57,009,787.40
  5. Step 5: Solve for x
    x = 57,009,787.40/10,887.82
  6. Step 6: Final answer
    x = 5,236.11

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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.