Home / 8,237.52-12,356.96-2,690.74

Finding the Fourth Proportional to 8,237.52, 12,356.96 and 2,690.74

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Solution

The fourth proportional to 8,237.52, 12,356.96 and 2,690.74 is: 4,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.52 : 12,356.96 = 2,690.74 : x
  2. Step 2: Convert to fraction form
    8,237.52/12,356.96 = 2,690.74/x
  3. Step 3: Cross multiply
    8,237.52x = 12,356.96 × 2,690.74
  4. Step 4: Simplify right side
    8,237.52x = 33,249,366.55
  5. Step 5: Solve for x
    x = 33,249,366.55/8,237.52
  6. Step 6: Final answer
    x = 4,036.33

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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.