Home / 7,557.83-11,340.21-3,398.93

Finding the Fourth Proportional to 7,557.83, 11,340.21 and 3,398.93

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Solution

The fourth proportional to 7,557.83, 11,340.21 and 3,398.93 is: 5,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.83 : 11,340.21 = 3,398.93 : x
  2. Step 2: Convert to fraction form
    7,557.83/11,340.21 = 3,398.93/x
  3. Step 3: Cross multiply
    7,557.83x = 11,340.21 × 3,398.93
  4. Step 4: Simplify right side
    7,557.83x = 38,544,579.98
  5. Step 5: Solve for x
    x = 38,544,579.98/7,557.83
  6. Step 6: Final answer
    x = 5,099.95

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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.