Home / 11,130.87-16,694.67-4,203.75

Finding the Fourth Proportional to 11,130.87, 16,694.67 and 4,203.75

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Solution

The fourth proportional to 11,130.87, 16,694.67 and 4,203.75 is: 6,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.87 : 16,694.67 = 4,203.75 : x
  2. Step 2: Convert to fraction form
    11,130.87/16,694.67 = 4,203.75/x
  3. Step 3: Cross multiply
    11,130.87x = 16,694.67 × 4,203.75
  4. Step 4: Simplify right side
    11,130.87x = 70,180,219.01
  5. Step 5: Solve for x
    x = 70,180,219.01/11,130.87
  6. Step 6: Final answer
    x = 6,305.01

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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.