Home / 10,756.72-16,114.08-7,047.70

Finding the Fourth Proportional to 10,756.72, 16,114.08 and 7,047.70

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Solution

The fourth proportional to 10,756.72, 16,114.08 and 7,047.70 is: 10,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.72 : 16,114.08 = 7,047.70 : x
  2. Step 2: Convert to fraction form
    10,756.72/16,114.08 = 7,047.70/x
  3. Step 3: Cross multiply
    10,756.72x = 16,114.08 × 7,047.70
  4. Step 4: Simplify right side
    10,756.72x = 113,567,201.62
  5. Step 5: Solve for x
    x = 113,567,201.62/10,756.72
  6. Step 6: Final answer
    x = 10,557.79

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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.