Home / 6,111.45-9,168.53-1,951.70

Finding the Fourth Proportional to 6,111.45, 9,168.53 and 1,951.70

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Solution

The fourth proportional to 6,111.45, 9,168.53 and 1,951.70 is: 2,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.45 : 9,168.53 = 1,951.70 : x
  2. Step 2: Convert to fraction form
    6,111.45/9,168.53 = 1,951.70/x
  3. Step 3: Cross multiply
    6,111.45x = 9,168.53 × 1,951.70
  4. Step 4: Simplify right side
    6,111.45x = 17,894,164.40
  5. Step 5: Solve for x
    x = 17,894,164.40/6,111.45
  6. Step 6: Final answer
    x = 2,927.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.