Home / 10,926.05-16,390.70-3,529.13

Finding the Fourth Proportional to 10,926.05, 16,390.70 and 3,529.13

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Solution

The fourth proportional to 10,926.05, 16,390.70 and 3,529.13 is: 5,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.05 : 16,390.70 = 3,529.13 : x
  2. Step 2: Convert to fraction form
    10,926.05/16,390.70 = 3,529.13/x
  3. Step 3: Cross multiply
    10,926.05x = 16,390.70 × 3,529.13
  4. Step 4: Simplify right side
    10,926.05x = 57,844,893.45
  5. Step 5: Solve for x
    x = 57,844,893.45/10,926.05
  6. Step 6: Final answer
    x = 5,294.22

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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.