Home / 12,592.04-18,890.34-5,192.38

Finding the Fourth Proportional to 12,592.04, 18,890.34 and 5,192.38

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Solution

The fourth proportional to 12,592.04, 18,890.34 and 5,192.38 is: 7,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.04 : 18,890.34 = 5,192.38 : x
  2. Step 2: Convert to fraction form
    12,592.04/18,890.34 = 5,192.38/x
  3. Step 3: Cross multiply
    12,592.04x = 18,890.34 × 5,192.38
  4. Step 4: Simplify right side
    12,592.04x = 98,085,823.61
  5. Step 5: Solve for x
    x = 98,085,823.61/12,592.04
  6. Step 6: Final answer
    x = 7,789.51

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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.