Home / 8,274.22-12,411.53-2,431.01

Finding the Fourth Proportional to 8,274.22, 12,411.53 and 2,431.01

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Solution

The fourth proportional to 8,274.22, 12,411.53 and 2,431.01 is: 3,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.22 : 12,411.53 = 2,431.01 : x
  2. Step 2: Convert to fraction form
    8,274.22/12,411.53 = 2,431.01/x
  3. Step 3: Cross multiply
    8,274.22x = 12,411.53 × 2,431.01
  4. Step 4: Simplify right side
    8,274.22x = 30,172,581.54
  5. Step 5: Solve for x
    x = 30,172,581.54/8,274.22
  6. Step 6: Final answer
    x = 3,646.58

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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.