Home / 11,880.53-16,395.41-6,575.57

Finding the Fourth Proportional to 11,880.53, 16,395.41 and 6,575.57

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Solution

The fourth proportional to 11,880.53, 16,395.41 and 6,575.57 is: 9,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.53 : 16,395.41 = 6,575.57 : x
  2. Step 2: Convert to fraction form
    11,880.53/16,395.41 = 6,575.57/x
  3. Step 3: Cross multiply
    11,880.53x = 16,395.41 × 6,575.57
  4. Step 4: Simplify right side
    11,880.53x = 107,809,133.26
  5. Step 5: Solve for x
    x = 107,809,133.26/11,880.53
  6. Step 6: Final answer
    x = 9,074.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.