Home / 11,347.19-17,022.15-4,771.61

Finding the Fourth Proportional to 11,347.19, 17,022.15 and 4,771.61

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Solution

The fourth proportional to 11,347.19, 17,022.15 and 4,771.61 is: 7,157.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.19 : 17,022.15 = 4,771.61 : x
  2. Step 2: Convert to fraction form
    11,347.19/17,022.15 = 4,771.61/x
  3. Step 3: Cross multiply
    11,347.19x = 17,022.15 × 4,771.61
  4. Step 4: Simplify right side
    11,347.19x = 81,223,039.88
  5. Step 5: Solve for x
    x = 81,223,039.88/11,347.19
  6. Step 6: Final answer
    x = 7,157.99

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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.