Home / 8,840.86-12,200.11-4,861.96

Finding the Fourth Proportional to 8,840.86, 12,200.11 and 4,861.96

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Solution

The fourth proportional to 8,840.86, 12,200.11 and 4,861.96 is: 6,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.86 : 12,200.11 = 4,861.96 : x
  2. Step 2: Convert to fraction form
    8,840.86/12,200.11 = 4,861.96/x
  3. Step 3: Cross multiply
    8,840.86x = 12,200.11 × 4,861.96
  4. Step 4: Simplify right side
    8,840.86x = 59,316,434.66
  5. Step 5: Solve for x
    x = 59,316,434.66/8,840.86
  6. Step 6: Final answer
    x = 6,709.35

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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.