Home / 10,942.10-16,421.80-4,018.58

Finding the Fourth Proportional to 10,942.10, 16,421.80 and 4,018.58

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Solution

The fourth proportional to 10,942.10, 16,421.80 and 4,018.58 is: 6,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.10 : 16,421.80 = 4,018.58 : x
  2. Step 2: Convert to fraction form
    10,942.10/16,421.80 = 4,018.58/x
  3. Step 3: Cross multiply
    10,942.10x = 16,421.80 × 4,018.58
  4. Step 4: Simplify right side
    10,942.10x = 65,992,317.04
  5. Step 5: Solve for x
    x = 65,992,317.04/10,942.10
  6. Step 6: Final answer
    x = 6,031.05

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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.