Home / 7,732.11-11,598.80-2,185.50

Finding the Fourth Proportional to 7,732.11, 11,598.80 and 2,185.50

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Solution

The fourth proportional to 7,732.11, 11,598.80 and 2,185.50 is: 3,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732.11 : 11,598.80 = 2,185.50 : x
  2. Step 2: Convert to fraction form
    7,732.11/11,598.80 = 2,185.50/x
  3. Step 3: Cross multiply
    7,732.11x = 11,598.80 × 2,185.50
  4. Step 4: Simplify right side
    7,732.11x = 25,349,177.40
  5. Step 5: Solve for x
    x = 25,349,177.40/7,732.11
  6. Step 6: Final answer
    x = 3,278.43

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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.