Home / 8,184.14-12,261.53-4,972.59

Finding the Fourth Proportional to 8,184.14, 12,261.53 and 4,972.59

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Solution

The fourth proportional to 8,184.14, 12,261.53 and 4,972.59 is: 7,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.14 : 12,261.53 = 4,972.59 : x
  2. Step 2: Convert to fraction form
    8,184.14/12,261.53 = 4,972.59/x
  3. Step 3: Cross multiply
    8,184.14x = 12,261.53 × 4,972.59
  4. Step 4: Simplify right side
    8,184.14x = 60,971,573.89
  5. Step 5: Solve for x
    x = 60,971,573.89/8,184.14
  6. Step 6: Final answer
    x = 7,449.97

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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.