Home / 11,507.08-17,231.46-9,193.72

Finding the Fourth Proportional to 11,507.08, 17,231.46 and 9,193.72

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Solution

The fourth proportional to 11,507.08, 17,231.46 and 9,193.72 is: 13,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.08 : 17,231.46 = 9,193.72 : x
  2. Step 2: Convert to fraction form
    11,507.08/17,231.46 = 9,193.72/x
  3. Step 3: Cross multiply
    11,507.08x = 17,231.46 × 9,193.72
  4. Step 4: Simplify right side
    11,507.08x = 158,421,218.43
  5. Step 5: Solve for x
    x = 158,421,218.43/11,507.08
  6. Step 6: Final answer
    x = 13,767.28

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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.