Home / 11,025.54-15,209.18-6,984.97

Finding the Fourth Proportional to 11,025.54, 15,209.18 and 6,984.97

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Solution

The fourth proportional to 11,025.54, 15,209.18 and 6,984.97 is: 9,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.54 : 15,209.18 = 6,984.97 : x
  2. Step 2: Convert to fraction form
    11,025.54/15,209.18 = 6,984.97/x
  3. Step 3: Cross multiply
    11,025.54x = 15,209.18 × 6,984.97
  4. Step 4: Simplify right side
    11,025.54x = 106,235,666.02
  5. Step 5: Solve for x
    x = 106,235,666.02/11,025.54
  6. Step 6: Final answer
    x = 9,635.42

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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.