Home / 11,156.70-16,735.25-5,312.14

Finding the Fourth Proportional to 11,156.70, 16,735.25 and 5,312.14

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Solution

The fourth proportional to 11,156.70, 16,735.25 and 5,312.14 is: 7,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.70 : 16,735.25 = 5,312.14 : x
  2. Step 2: Convert to fraction form
    11,156.70/16,735.25 = 5,312.14/x
  3. Step 3: Cross multiply
    11,156.70x = 16,735.25 × 5,312.14
  4. Step 4: Simplify right side
    11,156.70x = 88,899,990.94
  5. Step 5: Solve for x
    x = 88,899,990.94/11,156.70
  6. Step 6: Final answer
    x = 7,968.31

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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.