Home / 11,066.87-15,257.61-8,940.02

Finding the Fourth Proportional to 11,066.87, 15,257.61 and 8,940.02

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Solution

The fourth proportional to 11,066.87, 15,257.61 and 8,940.02 is: 12,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.87 : 15,257.61 = 8,940.02 : x
  2. Step 2: Convert to fraction form
    11,066.87/15,257.61 = 8,940.02/x
  3. Step 3: Cross multiply
    11,066.87x = 15,257.61 × 8,940.02
  4. Step 4: Simplify right side
    11,066.87x = 136,403,262.26
  5. Step 5: Solve for x
    x = 136,403,262.26/11,066.87
  6. Step 6: Final answer
    x = 12,325.37

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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.