Home / 12,292.77-18,443.79-7,365.96

Finding the Fourth Proportional to 12,292.77, 18,443.79 and 7,365.96

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Solution

The fourth proportional to 12,292.77, 18,443.79 and 7,365.96 is: 11,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.77 : 18,443.79 = 7,365.96 : x
  2. Step 2: Convert to fraction form
    12,292.77/18,443.79 = 7,365.96/x
  3. Step 3: Cross multiply
    12,292.77x = 18,443.79 × 7,365.96
  4. Step 4: Simplify right side
    12,292.77x = 135,856,219.39
  5. Step 5: Solve for x
    x = 135,856,219.39/12,292.77
  6. Step 6: Final answer
    x = 11,051.72

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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.