Home / 11,922.19-16,452.65-6,617.00

Finding the Fourth Proportional to 11,922.19, 16,452.65 and 6,617.00

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Solution

The fourth proportional to 11,922.19, 16,452.65 and 6,617.00 is: 9,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.19 : 16,452.65 = 6,617.00 : x
  2. Step 2: Convert to fraction form
    11,922.19/16,452.65 = 6,617.00/x
  3. Step 3: Cross multiply
    11,922.19x = 16,452.65 × 6,617.00
  4. Step 4: Simplify right side
    11,922.19x = 108,867,242.72
  5. Step 5: Solve for x
    x = 108,867,242.72/11,922.19
  6. Step 6: Final answer
    x = 9,131.48

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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.