Home / 7,622.22-11,434.23-2,690.82

Finding the Fourth Proportional to 7,622.22, 11,434.23 and 2,690.82

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Solution

The fourth proportional to 7,622.22, 11,434.23 and 2,690.82 is: 4,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.22 : 11,434.23 = 2,690.82 : x
  2. Step 2: Convert to fraction form
    7,622.22/11,434.23 = 2,690.82/x
  3. Step 3: Cross multiply
    7,622.22x = 11,434.23 × 2,690.82
  4. Step 4: Simplify right side
    7,622.22x = 30,767,454.77
  5. Step 5: Solve for x
    x = 30,767,454.77/7,622.22
  6. Step 6: Final answer
    x = 4,036.55

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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.