Home / 12,117.45-18,174.06-3,232.89

Finding the Fourth Proportional to 12,117.45, 18,174.06 and 3,232.89

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Solution

The fourth proportional to 12,117.45, 18,174.06 and 3,232.89 is: 4,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.45 : 18,174.06 = 3,232.89 : x
  2. Step 2: Convert to fraction form
    12,117.45/18,174.06 = 3,232.89/x
  3. Step 3: Cross multiply
    12,117.45x = 18,174.06 × 3,232.89
  4. Step 4: Simplify right side
    12,117.45x = 58,754,736.83
  5. Step 5: Solve for x
    x = 58,754,736.83/12,117.45
  6. Step 6: Final answer
    x = 4,848.77

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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.