Home / 8,542.73-12,816.02-2,699.19

Finding the Fourth Proportional to 8,542.73, 12,816.02 and 2,699.19

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Solution

The fourth proportional to 8,542.73, 12,816.02 and 2,699.19 is: 4,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.73 : 12,816.02 = 2,699.19 : x
  2. Step 2: Convert to fraction form
    8,542.73/12,816.02 = 2,699.19/x
  3. Step 3: Cross multiply
    8,542.73x = 12,816.02 × 2,699.19
  4. Step 4: Simplify right side
    8,542.73x = 34,592,879.77
  5. Step 5: Solve for x
    x = 34,592,879.77/8,542.73
  6. Step 6: Final answer
    x = 4,049.39

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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.