Home / 7,622.15-11,414.78-5,275.58

Finding the Fourth Proportional to 7,622.15, 11,414.78 and 5,275.58

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Solution

The fourth proportional to 7,622.15, 11,414.78 and 5,275.58 is: 7,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.15 : 11,414.78 = 5,275.58 : x
  2. Step 2: Convert to fraction form
    7,622.15/11,414.78 = 5,275.58/x
  3. Step 3: Cross multiply
    7,622.15x = 11,414.78 × 5,275.58
  4. Step 4: Simplify right side
    7,622.15x = 60,219,501.62
  5. Step 5: Solve for x
    x = 60,219,501.62/7,622.15
  6. Step 6: Final answer
    x = 7,900.60

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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.