Home / 13,235.11-18,264.36-7,266.88

Finding the Fourth Proportional to 13,235.11, 18,264.36 and 7,266.88

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Solution

The fourth proportional to 13,235.11, 18,264.36 and 7,266.88 is: 10,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.11 : 18,264.36 = 7,266.88 : x
  2. Step 2: Convert to fraction form
    13,235.11/18,264.36 = 7,266.88/x
  3. Step 3: Cross multiply
    13,235.11x = 18,264.36 × 7,266.88
  4. Step 4: Simplify right side
    13,235.11x = 132,724,912.40
  5. Step 5: Solve for x
    x = 132,724,912.40/13,235.11
  6. Step 6: Final answer
    x = 10,028.24

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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.