Home / 11,701.11-16,135.26-7,717.14

Finding the Fourth Proportional to 11,701.11, 16,135.26 and 7,717.14

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Solution

The fourth proportional to 11,701.11, 16,135.26 and 7,717.14 is: 10,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.11 : 16,135.26 = 7,717.14 : x
  2. Step 2: Convert to fraction form
    11,701.11/16,135.26 = 7,717.14/x
  3. Step 3: Cross multiply
    11,701.11x = 16,135.26 × 7,717.14
  4. Step 4: Simplify right side
    11,701.11x = 124,518,060.36
  5. Step 5: Solve for x
    x = 124,518,060.36/11,701.11
  6. Step 6: Final answer
    x = 10,641.56

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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.