Home / 12,416.18-18,620.30-4,094.64

Finding the Fourth Proportional to 12,416.18, 18,620.30 and 4,094.64

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Solution

The fourth proportional to 12,416.18, 18,620.30 and 4,094.64 is: 6,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.18 : 18,620.30 = 4,094.64 : x
  2. Step 2: Convert to fraction form
    12,416.18/18,620.30 = 4,094.64/x
  3. Step 3: Cross multiply
    12,416.18x = 18,620.30 × 4,094.64
  4. Step 4: Simplify right side
    12,416.18x = 76,243,404.72
  5. Step 5: Solve for x
    x = 76,243,404.72/12,416.18
  6. Step 6: Final answer
    x = 6,140.65

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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.