Home / 10,956.21-16,437.05-3,165.03

Finding the Fourth Proportional to 10,956.21, 16,437.05 and 3,165.03

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Solution

The fourth proportional to 10,956.21, 16,437.05 and 3,165.03 is: 4,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.21 : 16,437.05 = 3,165.03 : x
  2. Step 2: Convert to fraction form
    10,956.21/16,437.05 = 3,165.03/x
  3. Step 3: Cross multiply
    10,956.21x = 16,437.05 × 3,165.03
  4. Step 4: Simplify right side
    10,956.21x = 52,023,756.36
  5. Step 5: Solve for x
    x = 52,023,756.36/10,956.21
  6. Step 6: Final answer
    x = 4,748.34

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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.