Home / 11,781.95-16,258.16-6,744.96

Finding the Fourth Proportional to 11,781.95, 16,258.16 and 6,744.96

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Solution

The fourth proportional to 11,781.95, 16,258.16 and 6,744.96 is: 9,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.95 : 16,258.16 = 6,744.96 : x
  2. Step 2: Convert to fraction form
    11,781.95/16,258.16 = 6,744.96/x
  3. Step 3: Cross multiply
    11,781.95x = 16,258.16 × 6,744.96
  4. Step 4: Simplify right side
    11,781.95x = 109,660,605.15
  5. Step 5: Solve for x
    x = 109,660,605.15/11,781.95
  6. Step 6: Final answer
    x = 9,307.51

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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.