Home / 11,140.40-16,710.60-3,348.20

Finding the Fourth Proportional to 11,140.40, 16,710.60 and 3,348.20

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Solution

The fourth proportional to 11,140.40, 16,710.60 and 3,348.20 is: 5,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.40 : 16,710.60 = 3,348.20 : x
  2. Step 2: Convert to fraction form
    11,140.40/16,710.60 = 3,348.20/x
  3. Step 3: Cross multiply
    11,140.40x = 16,710.60 × 3,348.20
  4. Step 4: Simplify right side
    11,140.40x = 55,950,430.92
  5. Step 5: Solve for x
    x = 55,950,430.92/11,140.40
  6. Step 6: Final answer
    x = 5,022.30

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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.