Home / 11,222.85-15,487.32-6,186.98

Finding the Fourth Proportional to 11,222.85, 15,487.32 and 6,186.98

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Solution

The fourth proportional to 11,222.85, 15,487.32 and 6,186.98 is: 8,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.85 : 15,487.32 = 6,186.98 : x
  2. Step 2: Convert to fraction form
    11,222.85/15,487.32 = 6,186.98/x
  3. Step 3: Cross multiply
    11,222.85x = 15,487.32 × 6,186.98
  4. Step 4: Simplify right side
    11,222.85x = 95,819,630.72
  5. Step 5: Solve for x
    x = 95,819,630.72/11,222.85
  6. Step 6: Final answer
    x = 8,537.91

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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.