Home / 10,776.70-16,165.32-2,985.58

Finding the Fourth Proportional to 10,776.70, 16,165.32 and 2,985.58

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Solution

The fourth proportional to 10,776.70, 16,165.32 and 2,985.58 is: 4,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.70 : 16,165.32 = 2,985.58 : x
  2. Step 2: Convert to fraction form
    10,776.70/16,165.32 = 2,985.58/x
  3. Step 3: Cross multiply
    10,776.70x = 16,165.32 × 2,985.58
  4. Step 4: Simplify right side
    10,776.70x = 48,262,856.09
  5. Step 5: Solve for x
    x = 48,262,856.09/10,776.70
  6. Step 6: Final answer
    x = 4,478.44

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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.