Home / 7,939.53-11,913-4,046.67

Finding the Fourth Proportional to 7,939.53, 11,913 and 4,046.67

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Solution

The fourth proportional to 7,939.53, 11,913 and 4,046.67 is: 6,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.53 : 11,913 = 4,046.67 : x
  2. Step 2: Convert to fraction form
    7,939.53/11,913 = 4,046.67/x
  3. Step 3: Cross multiply
    7,939.53x = 11,913 × 4,046.67
  4. Step 4: Simplify right side
    7,939.53x = 48,207,979.71
  5. Step 5: Solve for x
    x = 48,207,979.71/7,939.53
  6. Step 6: Final answer
    x = 6,071.89

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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.