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Finding the Fourth Proportional to 11,011.51, 15,195.62 and 5,975.51

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Solution

The fourth proportional to 11,011.51, 15,195.62 and 5,975.51 is: 8,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.51 : 15,195.62 = 5,975.51 : x
  2. Step 2: Convert to fraction form
    11,011.51/15,195.62 = 5,975.51/x
  3. Step 3: Cross multiply
    11,011.51x = 15,195.62 × 5,975.51
  4. Step 4: Simplify right side
    11,011.51x = 90,801,549.39
  5. Step 5: Solve for x
    x = 90,801,549.39/11,011.51
  6. Step 6: Final answer
    x = 8,246.06

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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.