Home / 13,184.46-18,194.49-7,216.02

Finding the Fourth Proportional to 13,184.46, 18,194.49 and 7,216.02

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Solution

The fourth proportional to 13,184.46, 18,194.49 and 7,216.02 is: 9,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.46 : 18,194.49 = 7,216.02 : x
  2. Step 2: Convert to fraction form
    13,184.46/18,194.49 = 7,216.02/x
  3. Step 3: Cross multiply
    13,184.46x = 18,194.49 × 7,216.02
  4. Step 4: Simplify right side
    13,184.46x = 131,291,803.73
  5. Step 5: Solve for x
    x = 131,291,803.73/13,184.46
  6. Step 6: Final answer
    x = 9,958.07

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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.