Home / 11,299.32-16,947.90-6,914.52

Finding the Fourth Proportional to 11,299.32, 16,947.90 and 6,914.52

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Solution

The fourth proportional to 11,299.32, 16,947.90 and 6,914.52 is: 10,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.32 : 16,947.90 = 6,914.52 : x
  2. Step 2: Convert to fraction form
    11,299.32/16,947.90 = 6,914.52/x
  3. Step 3: Cross multiply
    11,299.32x = 16,947.90 × 6,914.52
  4. Step 4: Simplify right side
    11,299.32x = 117,186,593.51
  5. Step 5: Solve for x
    x = 117,186,593.51/11,299.32
  6. Step 6: Final answer
    x = 10,371.12

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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.