Home / 10,776.39-16,164.60-2,985.22

Finding the Fourth Proportional to 10,776.39, 16,164.60 and 2,985.22

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Solution

The fourth proportional to 10,776.39, 16,164.60 and 2,985.22 is: 4,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.39 : 16,164.60 = 2,985.22 : x
  2. Step 2: Convert to fraction form
    10,776.39/16,164.60 = 2,985.22/x
  3. Step 3: Cross multiply
    10,776.39x = 16,164.60 × 2,985.22
  4. Step 4: Simplify right side
    10,776.39x = 48,254,887.21
  5. Step 5: Solve for x
    x = 48,254,887.21/10,776.39
  6. Step 6: Final answer
    x = 4,477.83

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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.