Home / 7,326.18-10,989.09-2,132.10

Finding the Fourth Proportional to 7,326.18, 10,989.09 and 2,132.10

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Solution

The fourth proportional to 7,326.18, 10,989.09 and 2,132.10 is: 3,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.18 : 10,989.09 = 2,132.10 : x
  2. Step 2: Convert to fraction form
    7,326.18/10,989.09 = 2,132.10/x
  3. Step 3: Cross multiply
    7,326.18x = 10,989.09 × 2,132.10
  4. Step 4: Simplify right side
    7,326.18x = 23,429,838.79
  5. Step 5: Solve for x
    x = 23,429,838.79/7,326.18
  6. Step 6: Final answer
    x = 3,198.10

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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.