Home / 11,345.06-17,017.59-3,553.88

Finding the Fourth Proportional to 11,345.06, 17,017.59 and 3,553.88

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Solution

The fourth proportional to 11,345.06, 17,017.59 and 3,553.88 is: 5,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.06 : 17,017.59 = 3,553.88 : x
  2. Step 2: Convert to fraction form
    11,345.06/17,017.59 = 3,553.88/x
  3. Step 3: Cross multiply
    11,345.06x = 17,017.59 × 3,553.88
  4. Step 4: Simplify right side
    11,345.06x = 60,478,400.99
  5. Step 5: Solve for x
    x = 60,478,400.99/11,345.06
  6. Step 6: Final answer
    x = 5,330.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.