Home / 13,260.01-18,299.11-7,292.07

Finding the Fourth Proportional to 13,260.01, 18,299.11 and 7,292.07

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Solution

The fourth proportional to 13,260.01, 18,299.11 and 7,292.07 is: 10,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.01 : 18,299.11 = 7,292.07 : x
  2. Step 2: Convert to fraction form
    13,260.01/18,299.11 = 7,292.07/x
  3. Step 3: Cross multiply
    13,260.01x = 18,299.11 × 7,292.07
  4. Step 4: Simplify right side
    13,260.01x = 133,438,391.06
  5. Step 5: Solve for x
    x = 133,438,391.06/13,260.01
  6. Step 6: Final answer
    x = 10,063.22

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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.