Home / 13,262.73-18,302.66-7,212.97

Finding the Fourth Proportional to 13,262.73, 18,302.66 and 7,212.97

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Solution

The fourth proportional to 13,262.73, 18,302.66 and 7,212.97 is: 9,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.73 : 18,302.66 = 7,212.97 : x
  2. Step 2: Convert to fraction form
    13,262.73/18,302.66 = 7,212.97/x
  3. Step 3: Cross multiply
    13,262.73x = 18,302.66 × 7,212.97
  4. Step 4: Simplify right side
    13,262.73x = 132,016,537.50
  5. Step 5: Solve for x
    x = 132,016,537.50/13,262.73
  6. Step 6: Final answer
    x = 9,953.95

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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.