Home / 13,191.56-19,790.58-6,072.47

Finding the Fourth Proportional to 13,191.56, 19,790.58 and 6,072.47

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Solution

The fourth proportional to 13,191.56, 19,790.58 and 6,072.47 is: 9,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.56 : 19,790.58 = 6,072.47 : x
  2. Step 2: Convert to fraction form
    13,191.56/19,790.58 = 6,072.47/x
  3. Step 3: Cross multiply
    13,191.56x = 19,790.58 × 6,072.47
  4. Step 4: Simplify right side
    13,191.56x = 120,177,667.21
  5. Step 5: Solve for x
    x = 120,177,667.21/13,191.56
  6. Step 6: Final answer
    x = 9,110.19

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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.