Home / 12,407.10-18,621.99-5,837.19

Finding the Fourth Proportional to 12,407.10, 18,621.99 and 5,837.19

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Solution

The fourth proportional to 12,407.10, 18,621.99 and 5,837.19 is: 8,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.10 : 18,621.99 = 5,837.19 : x
  2. Step 2: Convert to fraction form
    12,407.10/18,621.99 = 5,837.19/x
  3. Step 3: Cross multiply
    12,407.10x = 18,621.99 × 5,837.19
  4. Step 4: Simplify right side
    12,407.10x = 108,700,093.81
  5. Step 5: Solve for x
    x = 108,700,093.81/12,407.10
  6. Step 6: Final answer
    x = 8,761.12

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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.