Home / 10,756.45-16,132.23-4,090.56

Finding the Fourth Proportional to 10,756.45, 16,132.23 and 4,090.56

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Solution

The fourth proportional to 10,756.45, 16,132.23 and 4,090.56 is: 6,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.45 : 16,132.23 = 4,090.56 : x
  2. Step 2: Convert to fraction form
    10,756.45/16,132.23 = 4,090.56/x
  3. Step 3: Cross multiply
    10,756.45x = 16,132.23 × 4,090.56
  4. Step 4: Simplify right side
    10,756.45x = 65,989,794.25
  5. Step 5: Solve for x
    x = 65,989,794.25/10,756.45
  6. Step 6: Final answer
    x = 6,134.91

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1.5x scale

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.