Home / 13,147.52-19,713.70-6,222.04

Finding the Fourth Proportional to 13,147.52, 19,713.70 and 6,222.04

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Solution

The fourth proportional to 13,147.52, 19,713.70 and 6,222.04 is: 9,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.52 : 19,713.70 = 6,222.04 : x
  2. Step 2: Convert to fraction form
    13,147.52/19,713.70 = 6,222.04/x
  3. Step 3: Cross multiply
    13,147.52x = 19,713.70 × 6,222.04
  4. Step 4: Simplify right side
    13,147.52x = 122,659,429.95
  5. Step 5: Solve for x
    x = 122,659,429.95/13,147.52
  6. Step 6: Final answer
    x = 9,329.47

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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.