Home / 11,883.39-16,392.51-7,635.09

Finding the Fourth Proportional to 11,883.39, 16,392.51 and 7,635.09

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Solution

The fourth proportional to 11,883.39, 16,392.51 and 7,635.09 is: 10,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.39 : 16,392.51 = 7,635.09 : x
  2. Step 2: Convert to fraction form
    11,883.39/16,392.51 = 7,635.09/x
  3. Step 3: Cross multiply
    11,883.39x = 16,392.51 × 7,635.09
  4. Step 4: Simplify right side
    11,883.39x = 125,158,289.18
  5. Step 5: Solve for x
    x = 125,158,289.18/11,883.39
  6. Step 6: Final answer
    x = 10,532.20

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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.