Home / 10,533.40-15,794.70-3,956.20

Finding the Fourth Proportional to 10,533.40, 15,794.70 and 3,956.20

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Solution

The fourth proportional to 10,533.40, 15,794.70 and 3,956.20 is: 5,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.40 : 15,794.70 = 3,956.20 : x
  2. Step 2: Convert to fraction form
    10,533.40/15,794.70 = 3,956.20/x
  3. Step 3: Cross multiply
    10,533.40x = 15,794.70 × 3,956.20
  4. Step 4: Simplify right side
    10,533.40x = 62,486,992.14
  5. Step 5: Solve for x
    x = 62,486,992.14/10,533.40
  6. Step 6: Final answer
    x = 5,932.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.