Home / 13,264.75-18,305.36-7,296.97

Finding the Fourth Proportional to 13,264.75, 18,305.36 and 7,296.97

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Solution

The fourth proportional to 13,264.75, 18,305.36 and 7,296.97 is: 10,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.75 : 18,305.36 = 7,296.97 : x
  2. Step 2: Convert to fraction form
    13,264.75/18,305.36 = 7,296.97/x
  3. Step 3: Cross multiply
    13,264.75x = 18,305.36 × 7,296.97
  4. Step 4: Simplify right side
    13,264.75x = 133,573,662.76
  5. Step 5: Solve for x
    x = 133,573,662.76/13,264.75
  6. Step 6: Final answer
    x = 10,069.82

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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.