Home / 10,776.53-16,164.80-2,985.34

Finding the Fourth Proportional to 10,776.53, 16,164.80 and 2,985.34

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Solution

The fourth proportional to 10,776.53, 16,164.80 and 2,985.34 is: 4,478.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.53 : 16,164.80 = 2,985.34 : x
  2. Step 2: Convert to fraction form
    10,776.53/16,164.80 = 2,985.34/x
  3. Step 3: Cross multiply
    10,776.53x = 16,164.80 × 2,985.34
  4. Step 4: Simplify right side
    10,776.53x = 48,257,424.03
  5. Step 5: Solve for x
    x = 48,257,424.03/10,776.53
  6. Step 6: Final answer
    x = 4,478.01

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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.