Home / 10,311.14-15,461.19-4,070.90

Finding the Fourth Proportional to 10,311.14, 15,461.19 and 4,070.90

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Solution

The fourth proportional to 10,311.14, 15,461.19 and 4,070.90 is: 6,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.14 : 15,461.19 = 4,070.90 : x
  2. Step 2: Convert to fraction form
    10,311.14/15,461.19 = 4,070.90/x
  3. Step 3: Cross multiply
    10,311.14x = 15,461.19 × 4,070.90
  4. Step 4: Simplify right side
    10,311.14x = 62,940,958.37
  5. Step 5: Solve for x
    x = 62,940,958.37/10,311.14
  6. Step 6: Final answer
    x = 6,104.17

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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.