Home / 13,092.40-19,638.12-5,696.86

Finding the Fourth Proportional to 13,092.40, 19,638.12 and 5,696.86

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Solution

The fourth proportional to 13,092.40, 19,638.12 and 5,696.86 is: 8,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.40 : 19,638.12 = 5,696.86 : x
  2. Step 2: Convert to fraction form
    13,092.40/19,638.12 = 5,696.86/x
  3. Step 3: Cross multiply
    13,092.40x = 19,638.12 × 5,696.86
  4. Step 4: Simplify right side
    13,092.40x = 111,875,620.30
  5. Step 5: Solve for x
    x = 111,875,620.30/13,092.40
  6. Step 6: Final answer
    x = 8,545.08

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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.