Home / 10,451.51-15,677.09-4,211.37

Finding the Fourth Proportional to 10,451.51, 15,677.09 and 4,211.37

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Solution

The fourth proportional to 10,451.51, 15,677.09 and 4,211.37 is: 6,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.51 : 15,677.09 = 4,211.37 : x
  2. Step 2: Convert to fraction form
    10,451.51/15,677.09 = 4,211.37/x
  3. Step 3: Cross multiply
    10,451.51x = 15,677.09 × 4,211.37
  4. Step 4: Simplify right side
    10,451.51x = 66,022,026.51
  5. Step 5: Solve for x
    x = 66,022,026.51/10,451.51
  6. Step 6: Final answer
    x = 6,316.99

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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.