Home / 11,191.98-15,444.67-6,156.09

Finding the Fourth Proportional to 11,191.98, 15,444.67 and 6,156.09

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Solution

The fourth proportional to 11,191.98, 15,444.67 and 6,156.09 is: 8,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.98 : 15,444.67 = 6,156.09 : x
  2. Step 2: Convert to fraction form
    11,191.98/15,444.67 = 6,156.09/x
  3. Step 3: Cross multiply
    11,191.98x = 15,444.67 × 6,156.09
  4. Step 4: Simplify right side
    11,191.98x = 95,078,755.32
  5. Step 5: Solve for x
    x = 95,078,755.32/11,191.98
  6. Step 6: Final answer
    x = 8,495.26

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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.