Home / 11,107.13-16,660.69-2,899.13

Finding the Fourth Proportional to 11,107.13, 16,660.69 and 2,899.13

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Solution

The fourth proportional to 11,107.13, 16,660.69 and 2,899.13 is: 4,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.13 : 16,660.69 = 2,899.13 : x
  2. Step 2: Convert to fraction form
    11,107.13/16,660.69 = 2,899.13/x
  3. Step 3: Cross multiply
    11,107.13x = 16,660.69 × 2,899.13
  4. Step 4: Simplify right side
    11,107.13x = 48,301,506.20
  5. Step 5: Solve for x
    x = 48,301,506.20/11,107.13
  6. Step 6: Final answer
    x = 4,348.69

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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.