Home / 11,004.20-16,506.30-4,860.20

Finding the Fourth Proportional to 11,004.20, 16,506.30 and 4,860.20

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Solution

The fourth proportional to 11,004.20, 16,506.30 and 4,860.20 is: 7,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.20 : 16,506.30 = 4,860.20 : x
  2. Step 2: Convert to fraction form
    11,004.20/16,506.30 = 4,860.20/x
  3. Step 3: Cross multiply
    11,004.20x = 16,506.30 × 4,860.20
  4. Step 4: Simplify right side
    11,004.20x = 80,223,919.26
  5. Step 5: Solve for x
    x = 80,223,919.26/11,004.20
  6. Step 6: Final answer
    x = 7,290.30

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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.