Home / 12,093.24-18,123.54-9,162.36

Finding the Fourth Proportional to 12,093.24, 18,123.54 and 9,162.36

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Solution

The fourth proportional to 12,093.24, 18,123.54 and 9,162.36 is: 13,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.24 : 18,123.54 = 9,162.36 : x
  2. Step 2: Convert to fraction form
    12,093.24/18,123.54 = 9,162.36/x
  3. Step 3: Cross multiply
    12,093.24x = 18,123.54 × 9,162.36
  4. Step 4: Simplify right side
    12,093.24x = 166,054,397.95
  5. Step 5: Solve for x
    x = 166,054,397.95/12,093.24
  6. Step 6: Final answer
    x = 13,731.18

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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.