Home / 11,927.64-16,459.83-6,622.32

Finding the Fourth Proportional to 11,927.64, 16,459.83 and 6,622.32

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Solution

The fourth proportional to 11,927.64, 16,459.83 and 6,622.32 is: 9,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.64 : 16,459.83 = 6,622.32 : x
  2. Step 2: Convert to fraction form
    11,927.64/16,459.83 = 6,622.32/x
  3. Step 3: Cross multiply
    11,927.64x = 16,459.83 × 6,622.32
  4. Step 4: Simplify right side
    11,927.64x = 109,002,261.41
  5. Step 5: Solve for x
    x = 109,002,261.41/11,927.64
  6. Step 6: Final answer
    x = 9,138.63

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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.