Home / 11,928.83-16,460.38-6,622.34

Finding the Fourth Proportional to 11,928.83, 16,460.38 and 6,622.34

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Solution

The fourth proportional to 11,928.83, 16,460.38 and 6,622.34 is: 9,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.83 : 16,460.38 = 6,622.34 : x
  2. Step 2: Convert to fraction form
    11,928.83/16,460.38 = 6,622.34/x
  3. Step 3: Cross multiply
    11,928.83x = 16,460.38 × 6,622.34
  4. Step 4: Simplify right side
    11,928.83x = 109,006,232.89
  5. Step 5: Solve for x
    x = 109,006,232.89/11,928.83
  6. Step 6: Final answer
    x = 9,138.05

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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.