Home / 11,742.17-17,613.56-2,977.76

Finding the Fourth Proportional to 11,742.17, 17,613.56 and 2,977.76

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Solution

The fourth proportional to 11,742.17, 17,613.56 and 2,977.76 is: 4,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.17 : 17,613.56 = 2,977.76 : x
  2. Step 2: Convert to fraction form
    11,742.17/17,613.56 = 2,977.76/x
  3. Step 3: Cross multiply
    11,742.17x = 17,613.56 × 2,977.76
  4. Step 4: Simplify right side
    11,742.17x = 52,449,005.90
  5. Step 5: Solve for x
    x = 52,449,005.90/11,742.17
  6. Step 6: Final answer
    x = 4,466.72

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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.