Home / 12,461.09-18,664.84-5,877.41

Finding the Fourth Proportional to 12,461.09, 18,664.84 and 5,877.41

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Solution

The fourth proportional to 12,461.09, 18,664.84 and 5,877.41 is: 8,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.09 : 18,664.84 = 5,877.41 : x
  2. Step 2: Convert to fraction form
    12,461.09/18,664.84 = 5,877.41/x
  3. Step 3: Cross multiply
    12,461.09x = 18,664.84 × 5,877.41
  4. Step 4: Simplify right side
    12,461.09x = 109,700,887.88
  5. Step 5: Solve for x
    x = 109,700,887.88/12,461.09
  6. Step 6: Final answer
    x = 8,803.47

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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.