Home / 11,069.62-15,291.03-8,847.07

Finding the Fourth Proportional to 11,069.62, 15,291.03 and 8,847.07

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Solution

The fourth proportional to 11,069.62, 15,291.03 and 8,847.07 is: 12,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.62 : 15,291.03 = 8,847.07 : x
  2. Step 2: Convert to fraction form
    11,069.62/15,291.03 = 8,847.07/x
  3. Step 3: Cross multiply
    11,069.62x = 15,291.03 × 8,847.07
  4. Step 4: Simplify right side
    11,069.62x = 135,280,812.78
  5. Step 5: Solve for x
    x = 135,280,812.78/11,069.62
  6. Step 6: Final answer
    x = 12,220.91

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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.