Home / 11,927.43-16,459.89-6,622.26

Finding the Fourth Proportional to 11,927.43, 16,459.89 and 6,622.26

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Solution

The fourth proportional to 11,927.43, 16,459.89 and 6,622.26 is: 9,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.43 : 16,459.89 = 6,622.26 : x
  2. Step 2: Convert to fraction form
    11,927.43/16,459.89 = 6,622.26/x
  3. Step 3: Cross multiply
    11,927.43x = 16,459.89 × 6,622.26
  4. Step 4: Simplify right side
    11,927.43x = 109,001,671.15
  5. Step 5: Solve for x
    x = 109,001,671.15/11,927.43
  6. Step 6: Final answer
    x = 9,138.74

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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.