Home / 11,512.74-17,254.68-4,931.22

Finding the Fourth Proportional to 11,512.74, 17,254.68 and 4,931.22

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Solution

The fourth proportional to 11,512.74, 17,254.68 and 4,931.22 is: 7,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.74 : 17,254.68 = 4,931.22 : x
  2. Step 2: Convert to fraction form
    11,512.74/17,254.68 = 4,931.22/x
  3. Step 3: Cross multiply
    11,512.74x = 17,254.68 × 4,931.22
  4. Step 4: Simplify right side
    11,512.74x = 85,086,623.11
  5. Step 5: Solve for x
    x = 85,086,623.11/11,512.74
  6. Step 6: Final answer
    x = 7,390.65

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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.