Home / 8,840.32-12,200.08-4,861.96

Finding the Fourth Proportional to 8,840.32, 12,200.08 and 4,861.96

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Solution

The fourth proportional to 8,840.32, 12,200.08 and 4,861.96 is: 6,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.32 : 12,200.08 = 4,861.96 : x
  2. Step 2: Convert to fraction form
    8,840.32/12,200.08 = 4,861.96/x
  3. Step 3: Cross multiply
    8,840.32x = 12,200.08 × 4,861.96
  4. Step 4: Simplify right side
    8,840.32x = 59,316,300.96
  5. Step 5: Solve for x
    x = 59,316,300.96/8,840.32
  6. Step 6: Final answer
    x = 6,709.75

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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.