Home / 12,401.71-18,577.96-5,807.90

Finding the Fourth Proportional to 12,401.71, 18,577.96 and 5,807.90

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Solution

The fourth proportional to 12,401.71, 18,577.96 and 5,807.90 is: 8,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.71 : 18,577.96 = 5,807.90 : x
  2. Step 2: Convert to fraction form
    12,401.71/18,577.96 = 5,807.90/x
  3. Step 3: Cross multiply
    12,401.71x = 18,577.96 × 5,807.90
  4. Step 4: Simplify right side
    12,401.71x = 107,898,965.81
  5. Step 5: Solve for x
    x = 107,898,965.81/12,401.71
  6. Step 6: Final answer
    x = 8,700.33

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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.