Home / 13,161.60-19,725.11-6,238.08

Finding the Fourth Proportional to 13,161.60, 19,725.11 and 6,238.08

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Solution

The fourth proportional to 13,161.60, 19,725.11 and 6,238.08 is: 9,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.60 : 19,725.11 = 6,238.08 : x
  2. Step 2: Convert to fraction form
    13,161.60/19,725.11 = 6,238.08/x
  3. Step 3: Cross multiply
    13,161.60x = 19,725.11 × 6,238.08
  4. Step 4: Simplify right side
    13,161.60x = 123,046,814.19
  5. Step 5: Solve for x
    x = 123,046,814.19/13,161.60
  6. Step 6: Final answer
    x = 9,348.93

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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.