Home / 9,905.28-13,664.34-5,924.04

Finding the Fourth Proportional to 9,905.28, 13,664.34 and 5,924.04

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Solution

The fourth proportional to 9,905.28, 13,664.34 and 5,924.04 is: 8,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.28 : 13,664.34 = 5,924.04 : x
  2. Step 2: Convert to fraction form
    9,905.28/13,664.34 = 5,924.04/x
  3. Step 3: Cross multiply
    9,905.28x = 13,664.34 × 5,924.04
  4. Step 4: Simplify right side
    9,905.28x = 80,948,096.73
  5. Step 5: Solve for x
    x = 80,948,096.73/9,905.28
  6. Step 6: Final answer
    x = 8,172.22

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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.