Home / 8,468.85-12,705.30-3,535.74

Finding the Fourth Proportional to 8,468.85, 12,705.30 and 3,535.74

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Solution

The fourth proportional to 8,468.85, 12,705.30 and 3,535.74 is: 5,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.85 : 12,705.30 = 3,535.74 : x
  2. Step 2: Convert to fraction form
    8,468.85/12,705.30 = 3,535.74/x
  3. Step 3: Cross multiply
    8,468.85x = 12,705.30 × 3,535.74
  4. Step 4: Simplify right side
    8,468.85x = 44,922,637.42
  5. Step 5: Solve for x
    x = 44,922,637.42/8,468.85
  6. Step 6: Final answer
    x = 5,304.46

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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.