Home / 10,667.22-14,720.31-6,190.62

Finding the Fourth Proportional to 10,667.22, 14,720.31 and 6,190.62

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Solution

The fourth proportional to 10,667.22, 14,720.31 and 6,190.62 is: 8,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.22 : 14,720.31 = 6,190.62 : x
  2. Step 2: Convert to fraction form
    10,667.22/14,720.31 = 6,190.62/x
  3. Step 3: Cross multiply
    10,667.22x = 14,720.31 × 6,190.62
  4. Step 4: Simplify right side
    10,667.22x = 91,127,845.49
  5. Step 5: Solve for x
    x = 91,127,845.49/10,667.22
  6. Step 6: Final answer
    x = 8,542.79

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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.