Home / 8,623.92-11,885.49-6,261.96

Finding the Fourth Proportional to 8,623.92, 11,885.49 and 6,261.96

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Solution

The fourth proportional to 8,623.92, 11,885.49 and 6,261.96 is: 8,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.92 : 11,885.49 = 6,261.96 : x
  2. Step 2: Convert to fraction form
    8,623.92/11,885.49 = 6,261.96/x
  3. Step 3: Cross multiply
    8,623.92x = 11,885.49 × 6,261.96
  4. Step 4: Simplify right side
    8,623.92x = 74,426,462.96
  5. Step 5: Solve for x
    x = 74,426,462.96/8,623.92
  6. Step 6: Final answer
    x = 8,630.24

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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.