Home / 11,223.05-15,487.09-6,186.98

Finding the Fourth Proportional to 11,223.05, 15,487.09 and 6,186.98

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Solution

The fourth proportional to 11,223.05, 15,487.09 and 6,186.98 is: 8,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.05 : 15,487.09 = 6,186.98 : x
  2. Step 2: Convert to fraction form
    11,223.05/15,487.09 = 6,186.98/x
  3. Step 3: Cross multiply
    11,223.05x = 15,487.09 × 6,186.98
  4. Step 4: Simplify right side
    11,223.05x = 95,818,339.34
  5. Step 5: Solve for x
    x = 95,818,339.34/11,223.05
  6. Step 6: Final answer
    x = 8,537.64

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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.