Home / 9,942.18-14,920.14-4,098.81

Finding the Fourth Proportional to 9,942.18, 14,920.14 and 4,098.81

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Solution

The fourth proportional to 9,942.18, 14,920.14 and 4,098.81 is: 6,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.18 : 14,920.14 = 4,098.81 : x
  2. Step 2: Convert to fraction form
    9,942.18/14,920.14 = 4,098.81/x
  3. Step 3: Cross multiply
    9,942.18x = 14,920.14 × 4,098.81
  4. Step 4: Simplify right side
    9,942.18x = 61,154,819.03
  5. Step 5: Solve for x
    x = 61,154,819.03/9,942.18
  6. Step 6: Final answer
    x = 6,151.05

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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.