Home / 8,418.96-11,618.09-4,834.50

Finding the Fourth Proportional to 8,418.96, 11,618.09 and 4,834.50

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Solution

The fourth proportional to 8,418.96, 11,618.09 and 4,834.50 is: 6,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.96 : 11,618.09 = 4,834.50 : x
  2. Step 2: Convert to fraction form
    8,418.96/11,618.09 = 4,834.50/x
  3. Step 3: Cross multiply
    8,418.96x = 11,618.09 × 4,834.50
  4. Step 4: Simplify right side
    8,418.96x = 56,167,631.93
  5. Step 5: Solve for x
    x = 56,167,631.93/8,418.96
  6. Step 6: Final answer
    x = 6,671.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.