Home / 8,436.23-11,640.18-4,897.55

Finding the Fourth Proportional to 8,436.23, 11,640.18 and 4,897.55

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Solution

The fourth proportional to 8,436.23, 11,640.18 and 4,897.55 is: 6,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.23 : 11,640.18 = 4,897.55 : x
  2. Step 2: Convert to fraction form
    8,436.23/11,640.18 = 4,897.55/x
  3. Step 3: Cross multiply
    8,436.23x = 11,640.18 × 4,897.55
  4. Step 4: Simplify right side
    8,436.23x = 57,008,363.56
  5. Step 5: Solve for x
    x = 57,008,363.56/8,436.23
  6. Step 6: Final answer
    x = 6,757.56

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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.