Home / 12,227.00-16,872.09-9,715.19

Finding the Fourth Proportional to 12,227.00, 16,872.09 and 9,715.19

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Solution

The fourth proportional to 12,227.00, 16,872.09 and 9,715.19 is: 13,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.00 : 16,872.09 = 9,715.19 : x
  2. Step 2: Convert to fraction form
    12,227.00/16,872.09 = 9,715.19/x
  3. Step 3: Cross multiply
    12,227.00x = 16,872.09 × 9,715.19
  4. Step 4: Simplify right side
    12,227.00x = 163,915,475.69
  5. Step 5: Solve for x
    x = 163,915,475.69/12,227.00
  6. Step 6: Final answer
    x = 13,406.03

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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.