Home / 9,401.87-14,112.73-9,190.06

Finding the Fourth Proportional to 9,401.87, 14,112.73 and 9,190.06

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Solution

The fourth proportional to 9,401.87, 14,112.73 and 9,190.06 is: 13,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.87 : 14,112.73 = 9,190.06 : x
  2. Step 2: Convert to fraction form
    9,401.87/14,112.73 = 9,190.06/x
  3. Step 3: Cross multiply
    9,401.87x = 14,112.73 × 9,190.06
  4. Step 4: Simplify right side
    9,401.87x = 129,696,811.67
  5. Step 5: Solve for x
    x = 129,696,811.67/9,401.87
  6. Step 6: Final answer
    x = 13,794.79

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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.