Home / 11,102.39-16,660.14-4,087.32

Finding the Fourth Proportional to 11,102.39, 16,660.14 and 4,087.32

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Solution

The fourth proportional to 11,102.39, 16,660.14 and 4,087.32 is: 6,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.39 : 16,660.14 = 4,087.32 : x
  2. Step 2: Convert to fraction form
    11,102.39/16,660.14 = 4,087.32/x
  3. Step 3: Cross multiply
    11,102.39x = 16,660.14 × 4,087.32
  4. Step 4: Simplify right side
    11,102.39x = 68,095,302.99
  5. Step 5: Solve for x
    x = 68,095,302.99/11,102.39
  6. Step 6: Final answer
    x = 6,133.39

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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.