Home / 11,908.04-17,743.22-11,378.12

Finding the Fourth Proportional to 11,908.04, 17,743.22 and 11,378.12

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Solution

The fourth proportional to 11,908.04, 17,743.22 and 11,378.12 is: 16,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.04 : 17,743.22 = 11,378.12 : x
  2. Step 2: Convert to fraction form
    11,908.04/17,743.22 = 11,378.12/x
  3. Step 3: Cross multiply
    11,908.04x = 17,743.22 × 11,378.12
  4. Step 4: Simplify right side
    11,908.04x = 201,884,486.35
  5. Step 5: Solve for x
    x = 201,884,486.35/11,908.04
  6. Step 6: Final answer
    x = 16,953.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.