Home / 10,776.53-16,164.80-2,985.35

Finding the Fourth Proportional to 10,776.53, 16,164.80 and 2,985.35

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Solution

The fourth proportional to 10,776.53, 16,164.80 and 2,985.35 is: 4,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.53 : 16,164.80 = 2,985.35 : x
  2. Step 2: Convert to fraction form
    10,776.53/16,164.80 = 2,985.35/x
  3. Step 3: Cross multiply
    10,776.53x = 16,164.80 × 2,985.35
  4. Step 4: Simplify right side
    10,776.53x = 48,257,489.93
  5. Step 5: Solve for x
    x = 48,257,489.93/10,776.53
  6. Step 6: Final answer
    x = 4,478.02

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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.