Home / 10,992.01-15,168.26-7,012.70

Finding the Fourth Proportional to 10,992.01, 15,168.26 and 7,012.70

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Solution

The fourth proportional to 10,992.01, 15,168.26 and 7,012.70 is: 9,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.01 : 15,168.26 = 7,012.70 : x
  2. Step 2: Convert to fraction form
    10,992.01/15,168.26 = 7,012.70/x
  3. Step 3: Cross multiply
    10,992.01x = 15,168.26 × 7,012.70
  4. Step 4: Simplify right side
    10,992.01x = 106,370,363.53
  5. Step 5: Solve for x
    x = 106,370,363.53/10,992.01
  6. Step 6: Final answer
    x = 9,677.06

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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.