Home / 11,415.47-17,123.18-4,301.03

Finding the Fourth Proportional to 11,415.47, 17,123.18 and 4,301.03

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Solution

The fourth proportional to 11,415.47, 17,123.18 and 4,301.03 is: 6,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.47 : 17,123.18 = 4,301.03 : x
  2. Step 2: Convert to fraction form
    11,415.47/17,123.18 = 4,301.03/x
  3. Step 3: Cross multiply
    11,415.47x = 17,123.18 × 4,301.03
  4. Step 4: Simplify right side
    11,415.47x = 73,647,332.18
  5. Step 5: Solve for x
    x = 73,647,332.18/11,415.47
  6. Step 6: Final answer
    x = 6,451.54

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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.