Home / 11,191.84-15,444.82-6,155.88

Finding the Fourth Proportional to 11,191.84, 15,444.82 and 6,155.88

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Solution

The fourth proportional to 11,191.84, 15,444.82 and 6,155.88 is: 8,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.84 : 15,444.82 = 6,155.88 : x
  2. Step 2: Convert to fraction form
    11,191.84/15,444.82 = 6,155.88/x
  3. Step 3: Cross multiply
    11,191.84x = 15,444.82 × 6,155.88
  4. Step 4: Simplify right side
    11,191.84x = 95,076,458.54
  5. Step 5: Solve for x
    x = 95,076,458.54/11,191.84
  6. Step 6: Final answer
    x = 8,495.16

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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.