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Finding the Fourth Proportional to 7,374.74, 11,103.66 and 6,502.84

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Solution

The fourth proportional to 7,374.74, 11,103.66 and 6,502.84 is: 9,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.74 : 11,103.66 = 6,502.84 : x
  2. Step 2: Convert to fraction form
    7,374.74/11,103.66 = 6,502.84/x
  3. Step 3: Cross multiply
    7,374.74x = 11,103.66 × 6,502.84
  4. Step 4: Simplify right side
    7,374.74x = 72,205,324.39
  5. Step 5: Solve for x
    x = 72,205,324.39/7,374.74
  6. Step 6: Final answer
    x = 9,790.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.