Home / 12,174.71-18,263.27-5,602.77

Finding the Fourth Proportional to 12,174.71, 18,263.27 and 5,602.77

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Solution

The fourth proportional to 12,174.71, 18,263.27 and 5,602.77 is: 8,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.71 : 18,263.27 = 5,602.77 : x
  2. Step 2: Convert to fraction form
    12,174.71/18,263.27 = 5,602.77/x
  3. Step 3: Cross multiply
    12,174.71x = 18,263.27 × 5,602.77
  4. Step 4: Simplify right side
    12,174.71x = 102,324,915.26
  5. Step 5: Solve for x
    x = 102,324,915.26/12,174.71
  6. Step 6: Final answer
    x = 8,404.71

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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.