Home / 8,623.38-11,900.28-4,897.38

Finding the Fourth Proportional to 8,623.38, 11,900.28 and 4,897.38

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Solution

The fourth proportional to 8,623.38, 11,900.28 and 4,897.38 is: 6,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.38 : 11,900.28 = 4,897.38 : x
  2. Step 2: Convert to fraction form
    8,623.38/11,900.28 = 4,897.38/x
  3. Step 3: Cross multiply
    8,623.38x = 11,900.28 × 4,897.38
  4. Step 4: Simplify right side
    8,623.38x = 58,280,109.28
  5. Step 5: Solve for x
    x = 58,280,109.28/8,623.38
  6. Step 6: Final answer
    x = 6,758.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.