Home / 12,825.41-19,211.11-6,566.40

Finding the Fourth Proportional to 12,825.41, 19,211.11 and 6,566.40

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Solution

The fourth proportional to 12,825.41, 19,211.11 and 6,566.40 is: 9,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.41 : 19,211.11 = 6,566.40 : x
  2. Step 2: Convert to fraction form
    12,825.41/19,211.11 = 6,566.40/x
  3. Step 3: Cross multiply
    12,825.41x = 19,211.11 × 6,566.40
  4. Step 4: Simplify right side
    12,825.41x = 126,147,816.29
  5. Step 5: Solve for x
    x = 126,147,816.29/12,825.41
  6. Step 6: Final answer
    x = 9,835.78

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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.