Home / 11,230.20-16,847.46-3,439.08

Finding the Fourth Proportional to 11,230.20, 16,847.46 and 3,439.08

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Solution

The fourth proportional to 11,230.20, 16,847.46 and 3,439.08 is: 5,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.20 : 16,847.46 = 3,439.08 : x
  2. Step 2: Convert to fraction form
    11,230.20/16,847.46 = 3,439.08/x
  3. Step 3: Cross multiply
    11,230.20x = 16,847.46 × 3,439.08
  4. Step 4: Simplify right side
    11,230.20x = 57,939,762.74
  5. Step 5: Solve for x
    x = 57,939,762.74/11,230.20
  6. Step 6: Final answer
    x = 5,159.28

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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.