Home / 11,222.51-15,487.26-6,186.70

Finding the Fourth Proportional to 11,222.51, 15,487.26 and 6,186.70

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Solution

The fourth proportional to 11,222.51, 15,487.26 and 6,186.70 is: 8,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.51 : 15,487.26 = 6,186.70 : x
  2. Step 2: Convert to fraction form
    11,222.51/15,487.26 = 6,186.70/x
  3. Step 3: Cross multiply
    11,222.51x = 15,487.26 × 6,186.70
  4. Step 4: Simplify right side
    11,222.51x = 95,815,031.44
  5. Step 5: Solve for x
    x = 95,815,031.44/11,222.51
  6. Step 6: Final answer
    x = 8,537.75

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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.