Home / 12,376.95-18,566.23-3,611.13

Finding the Fourth Proportional to 12,376.95, 18,566.23 and 3,611.13

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Solution

The fourth proportional to 12,376.95, 18,566.23 and 3,611.13 is: 5,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.95 : 18,566.23 = 3,611.13 : x
  2. Step 2: Convert to fraction form
    12,376.95/18,566.23 = 3,611.13/x
  3. Step 3: Cross multiply
    12,376.95x = 18,566.23 × 3,611.13
  4. Step 4: Simplify right side
    12,376.95x = 67,045,070.14
  5. Step 5: Solve for x
    x = 67,045,070.14/12,376.95
  6. Step 6: Final answer
    x = 5,416.93

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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.