Home / 11,120.59-16,682.70-5,274.01

Finding the Fourth Proportional to 11,120.59, 16,682.70 and 5,274.01

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Solution

The fourth proportional to 11,120.59, 16,682.70 and 5,274.01 is: 7,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.59 : 16,682.70 = 5,274.01 : x
  2. Step 2: Convert to fraction form
    11,120.59/16,682.70 = 5,274.01/x
  3. Step 3: Cross multiply
    11,120.59x = 16,682.70 × 5,274.01
  4. Step 4: Simplify right side
    11,120.59x = 87,984,643.21
  5. Step 5: Solve for x
    x = 87,984,643.21/11,120.59
  6. Step 6: Final answer
    x = 7,911.87

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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.