Home / 12,416.60-18,625.10-3,056.65

Finding the Fourth Proportional to 12,416.60, 18,625.10 and 3,056.65

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Solution

The fourth proportional to 12,416.60, 18,625.10 and 3,056.65 is: 4,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.60 : 18,625.10 = 3,056.65 : x
  2. Step 2: Convert to fraction form
    12,416.60/18,625.10 = 3,056.65/x
  3. Step 3: Cross multiply
    12,416.60x = 18,625.10 × 3,056.65
  4. Step 4: Simplify right side
    12,416.60x = 56,930,411.92
  5. Step 5: Solve for x
    x = 56,930,411.92/12,416.60
  6. Step 6: Final answer
    x = 4,585.02

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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.