Home / 8,939.66-12,337.50-4,961.54

Finding the Fourth Proportional to 8,939.66, 12,337.50 and 4,961.54

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Solution

The fourth proportional to 8,939.66, 12,337.50 and 4,961.54 is: 6,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.66 : 12,337.50 = 4,961.54 : x
  2. Step 2: Convert to fraction form
    8,939.66/12,337.50 = 4,961.54/x
  3. Step 3: Cross multiply
    8,939.66x = 12,337.50 × 4,961.54
  4. Step 4: Simplify right side
    8,939.66x = 61,212,938.06
  5. Step 5: Solve for x
    x = 61,212,938.06/8,939.66
  6. Step 6: Final answer
    x = 6,847.35

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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.