Home / 7,270.10-10,905.15-6,103.70

Finding the Fourth Proportional to 7,270.10, 10,905.15 and 6,103.70

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Solution

The fourth proportional to 7,270.10, 10,905.15 and 6,103.70 is: 9,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.10 : 10,905.15 = 6,103.70 : x
  2. Step 2: Convert to fraction form
    7,270.10/10,905.15 = 6,103.70/x
  3. Step 3: Cross multiply
    7,270.10x = 10,905.15 × 6,103.70
  4. Step 4: Simplify right side
    7,270.10x = 66,561,764.06
  5. Step 5: Solve for x
    x = 66,561,764.06/7,270.10
  6. Step 6: Final answer
    x = 9,155.55

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Similar ratio
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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.