Home / 10,756.08-16,127.88-4,909.56

Finding the Fourth Proportional to 10,756.08, 16,127.88 and 4,909.56

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Solution

The fourth proportional to 10,756.08, 16,127.88 and 4,909.56 is: 7,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.08 : 16,127.88 = 4,909.56 : x
  2. Step 2: Convert to fraction form
    10,756.08/16,127.88 = 4,909.56/x
  3. Step 3: Cross multiply
    10,756.08x = 16,127.88 × 4,909.56
  4. Step 4: Simplify right side
    10,756.08x = 79,180,794.53
  5. Step 5: Solve for x
    x = 79,180,794.53/10,756.08
  6. Step 6: Final answer
    x = 7,361.49

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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.