Home / 11,298.13-16,943.01-3,900.58

Finding the Fourth Proportional to 11,298.13, 16,943.01 and 3,900.58

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Solution

The fourth proportional to 11,298.13, 16,943.01 and 3,900.58 is: 5,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.13 : 16,943.01 = 3,900.58 : x
  2. Step 2: Convert to fraction form
    11,298.13/16,943.01 = 3,900.58/x
  3. Step 3: Cross multiply
    11,298.13x = 16,943.01 × 3,900.58
  4. Step 4: Simplify right side
    11,298.13x = 66,087,565.95
  5. Step 5: Solve for x
    x = 66,087,565.95/11,298.13
  6. Step 6: Final answer
    x = 5,849.43

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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.