Home / 8,247.60-11,381.28-4,662.48

Finding the Fourth Proportional to 8,247.60, 11,381.28 and 4,662.48

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Solution

The fourth proportional to 8,247.60, 11,381.28 and 4,662.48 is: 6,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.60 : 11,381.28 = 4,662.48 : x
  2. Step 2: Convert to fraction form
    8,247.60/11,381.28 = 4,662.48/x
  3. Step 3: Cross multiply
    8,247.60x = 11,381.28 × 4,662.48
  4. Step 4: Simplify right side
    8,247.60x = 53,064,990.37
  5. Step 5: Solve for x
    x = 53,064,990.37/8,247.60
  6. Step 6: Final answer
    x = 6,433.99

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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.