Home / 11,833.66-16,334.76-7,117.12

Finding the Fourth Proportional to 11,833.66, 16,334.76 and 7,117.12

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Solution

The fourth proportional to 11,833.66, 16,334.76 and 7,117.12 is: 9,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.66 : 16,334.76 = 7,117.12 : x
  2. Step 2: Convert to fraction form
    11,833.66/16,334.76 = 7,117.12/x
  3. Step 3: Cross multiply
    11,833.66x = 16,334.76 × 7,117.12
  4. Step 4: Simplify right side
    11,833.66x = 116,256,447.09
  5. Step 5: Solve for x
    x = 116,256,447.09/11,833.66
  6. Step 6: Final answer
    x = 9,824.22

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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.