Home / 13,125.27-18,113.33-7,460.97

Finding the Fourth Proportional to 13,125.27, 18,113.33 and 7,460.97

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Solution

The fourth proportional to 13,125.27, 18,113.33 and 7,460.97 is: 10,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.27 : 18,113.33 = 7,460.97 : x
  2. Step 2: Convert to fraction form
    13,125.27/18,113.33 = 7,460.97/x
  3. Step 3: Cross multiply
    13,125.27x = 18,113.33 × 7,460.97
  4. Step 4: Simplify right side
    13,125.27x = 135,143,100.31
  5. Step 5: Solve for x
    x = 135,143,100.31/13,125.27
  6. Step 6: Final answer
    x = 10,296.41

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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.