Home / 11,132.87-16,697.67-4,205.75

Finding the Fourth Proportional to 11,132.87, 16,697.67 and 4,205.75

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Solution

The fourth proportional to 11,132.87, 16,697.67 and 4,205.75 is: 6,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.87 : 16,697.67 = 4,205.75 : x
  2. Step 2: Convert to fraction form
    11,132.87/16,697.67 = 4,205.75/x
  3. Step 3: Cross multiply
    11,132.87x = 16,697.67 × 4,205.75
  4. Step 4: Simplify right side
    11,132.87x = 70,226,225.60
  5. Step 5: Solve for x
    x = 70,226,225.60/11,132.87
  6. Step 6: Final answer
    x = 6,308.01

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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.