Home / 8,428.44-11,618.46-6,069.72

Finding the Fourth Proportional to 8,428.44, 11,618.46 and 6,069.72

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Solution

The fourth proportional to 8,428.44, 11,618.46 and 6,069.72 is: 8,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.44 : 11,618.46 = 6,069.72 : x
  2. Step 2: Convert to fraction form
    8,428.44/11,618.46 = 6,069.72/x
  3. Step 3: Cross multiply
    8,428.44x = 11,618.46 × 6,069.72
  4. Step 4: Simplify right side
    8,428.44x = 70,520,799.03
  5. Step 5: Solve for x
    x = 70,520,799.03/8,428.44
  6. Step 6: Final answer
    x = 8,367.00

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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.