Home / 10,776.29-16,165.55-2,985.10

Finding the Fourth Proportional to 10,776.29, 16,165.55 and 2,985.10

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Solution

The fourth proportional to 10,776.29, 16,165.55 and 2,985.10 is: 4,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.29 : 16,165.55 = 2,985.10 : x
  2. Step 2: Convert to fraction form
    10,776.29/16,165.55 = 2,985.10/x
  3. Step 3: Cross multiply
    10,776.29x = 16,165.55 × 2,985.10
  4. Step 4: Simplify right side
    10,776.29x = 48,255,750.35
  5. Step 5: Solve for x
    x = 48,255,750.35/10,776.29
  6. Step 6: Final answer
    x = 4,477.96

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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.