Home / 12,166.08-18,245.88-4,374.96

Finding the Fourth Proportional to 12,166.08, 18,245.88 and 4,374.96

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Solution

The fourth proportional to 12,166.08, 18,245.88 and 4,374.96 is: 6,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.08 : 18,245.88 = 4,374.96 : x
  2. Step 2: Convert to fraction form
    12,166.08/18,245.88 = 4,374.96/x
  3. Step 3: Cross multiply
    12,166.08x = 18,245.88 × 4,374.96
  4. Step 4: Simplify right side
    12,166.08x = 79,824,995.16
  5. Step 5: Solve for x
    x = 79,824,995.16/12,166.08
  6. Step 6: Final answer
    x = 6,561.27

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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.