Home / 7,962.83-11,930.94-5,618.96

Finding the Fourth Proportional to 7,962.83, 11,930.94 and 5,618.96

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Solution

The fourth proportional to 7,962.83, 11,930.94 and 5,618.96 is: 8,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.83 : 11,930.94 = 5,618.96 : x
  2. Step 2: Convert to fraction form
    7,962.83/11,930.94 = 5,618.96/x
  3. Step 3: Cross multiply
    7,962.83x = 11,930.94 × 5,618.96
  4. Step 4: Simplify right side
    7,962.83x = 67,039,386.87
  5. Step 5: Solve for x
    x = 67,039,386.87/7,962.83
  6. Step 6: Final answer
    x = 8,419.05

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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.