Home / 11,601.12-15,998.99-9,812.36

Finding the Fourth Proportional to 11,601.12, 15,998.99 and 9,812.36

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Solution

The fourth proportional to 11,601.12, 15,998.99 and 9,812.36 is: 13,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.12 : 15,998.99 = 9,812.36 : x
  2. Step 2: Convert to fraction form
    11,601.12/15,998.99 = 9,812.36/x
  3. Step 3: Cross multiply
    11,601.12x = 15,998.99 × 9,812.36
  4. Step 4: Simplify right side
    11,601.12x = 156,987,849.52
  5. Step 5: Solve for x
    x = 156,987,849.52/11,601.12
  6. Step 6: Final answer
    x = 13,532.13

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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.