Home / 11,238.75-16,896.60-10,316.57

Finding the Fourth Proportional to 11,238.75, 16,896.60 and 10,316.57

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Solution

The fourth proportional to 11,238.75, 16,896.60 and 10,316.57 is: 15,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.75 : 16,896.60 = 10,316.57 : x
  2. Step 2: Convert to fraction form
    11,238.75/16,896.60 = 10,316.57/x
  3. Step 3: Cross multiply
    11,238.75x = 16,896.60 × 10,316.57
  4. Step 4: Simplify right side
    11,238.75x = 174,314,872.18
  5. Step 5: Solve for x
    x = 174,314,872.18/11,238.75
  6. Step 6: Final answer
    x = 15,510.17

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1.5x scale

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.