Home / 10,996.10-15,174.70-5,960.36

Finding the Fourth Proportional to 10,996.10, 15,174.70 and 5,960.36

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Solution

The fourth proportional to 10,996.10, 15,174.70 and 5,960.36 is: 8,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.10 : 15,174.70 = 5,960.36 : x
  2. Step 2: Convert to fraction form
    10,996.10/15,174.70 = 5,960.36/x
  3. Step 3: Cross multiply
    10,996.10x = 15,174.70 × 5,960.36
  4. Step 4: Simplify right side
    10,996.10x = 90,446,697.16
  5. Step 5: Solve for x
    x = 90,446,697.16/10,996.10
  6. Step 6: Final answer
    x = 8,225.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.