Home / 13,216.88-18,237.62-7,246.97

Finding the Fourth Proportional to 13,216.88, 18,237.62 and 7,246.97

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Solution

The fourth proportional to 13,216.88, 18,237.62 and 7,246.97 is: 9,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.88 : 18,237.62 = 7,246.97 : x
  2. Step 2: Convert to fraction form
    13,216.88/18,237.62 = 7,246.97/x
  3. Step 3: Cross multiply
    13,216.88x = 18,237.62 × 7,246.97
  4. Step 4: Simplify right side
    13,216.88x = 132,167,548.72
  5. Step 5: Solve for x
    x = 132,167,548.72/13,216.88
  6. Step 6: Final answer
    x = 9,999.91

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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.