Home / 8,399.28-11,591.04-4,622.46

Finding the Fourth Proportional to 8,399.28, 11,591.04 and 4,622.46

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Solution

The fourth proportional to 8,399.28, 11,591.04 and 4,622.46 is: 6,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.28 : 11,591.04 = 4,622.46 : x
  2. Step 2: Convert to fraction form
    8,399.28/11,591.04 = 4,622.46/x
  3. Step 3: Cross multiply
    8,399.28x = 11,591.04 × 4,622.46
  4. Step 4: Simplify right side
    8,399.28x = 53,579,118.76
  5. Step 5: Solve for x
    x = 53,579,118.76/8,399.28
  6. Step 6: Final answer
    x = 6,379.01

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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.