Home / 12,331.53-17,015.13-7,026.21

Finding the Fourth Proportional to 12,331.53, 17,015.13 and 7,026.21

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Solution

The fourth proportional to 12,331.53, 17,015.13 and 7,026.21 is: 9,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.53 : 17,015.13 = 7,026.21 : x
  2. Step 2: Convert to fraction form
    12,331.53/17,015.13 = 7,026.21/x
  3. Step 3: Cross multiply
    12,331.53x = 17,015.13 × 7,026.21
  4. Step 4: Simplify right side
    12,331.53x = 119,551,876.56
  5. Step 5: Solve for x
    x = 119,551,876.56/12,331.53
  6. Step 6: Final answer
    x = 9,694.81

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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.