Home / 11,781.04-16,258.20-6,475.76

Finding the Fourth Proportional to 11,781.04, 16,258.20 and 6,475.76

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Solution

The fourth proportional to 11,781.04, 16,258.20 and 6,475.76 is: 8,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.04 : 16,258.20 = 6,475.76 : x
  2. Step 2: Convert to fraction form
    11,781.04/16,258.20 = 6,475.76/x
  3. Step 3: Cross multiply
    11,781.04x = 16,258.20 × 6,475.76
  4. Step 4: Simplify right side
    11,781.04x = 105,284,201.23
  5. Step 5: Solve for x
    x = 105,284,201.23/11,781.04
  6. Step 6: Final answer
    x = 8,936.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.