Home / 6,977.28-10,451.28-5,665.44

Finding the Fourth Proportional to 6,977.28, 10,451.28 and 5,665.44

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Solution

The fourth proportional to 6,977.28, 10,451.28 and 5,665.44 is: 8,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.28 : 10,451.28 = 5,665.44 : x
  2. Step 2: Convert to fraction form
    6,977.28/10,451.28 = 5,665.44/x
  3. Step 3: Cross multiply
    6,977.28x = 10,451.28 × 5,665.44
  4. Step 4: Simplify right side
    6,977.28x = 59,211,099.76
  5. Step 5: Solve for x
    x = 59,211,099.76/6,977.28
  6. Step 6: Final answer
    x = 8,486.27

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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.