Home / 7,926.70-11,886.54-2,378.98

Finding the Fourth Proportional to 7,926.70, 11,886.54 and 2,378.98

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Solution

The fourth proportional to 7,926.70, 11,886.54 and 2,378.98 is: 3,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.70 : 11,886.54 = 2,378.98 : x
  2. Step 2: Convert to fraction form
    7,926.70/11,886.54 = 2,378.98/x
  3. Step 3: Cross multiply
    7,926.70x = 11,886.54 × 2,378.98
  4. Step 4: Simplify right side
    7,926.70x = 28,277,817.16
  5. Step 5: Solve for x
    x = 28,277,817.16/7,926.70
  6. Step 6: Final answer
    x = 3,567.41

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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.