Home / 8,577.27-12,861.45-4,416.30

Finding the Fourth Proportional to 8,577.27, 12,861.45 and 4,416.30

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Solution

The fourth proportional to 8,577.27, 12,861.45 and 4,416.30 is: 6,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.27 : 12,861.45 = 4,416.30 : x
  2. Step 2: Convert to fraction form
    8,577.27/12,861.45 = 4,416.30/x
  3. Step 3: Cross multiply
    8,577.27x = 12,861.45 × 4,416.30
  4. Step 4: Simplify right side
    8,577.27x = 56,800,021.64
  5. Step 5: Solve for x
    x = 56,800,021.64/8,577.27
  6. Step 6: Final answer
    x = 6,622.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.