Home / 7,688.48-11,532.69-2,423.93

Finding the Fourth Proportional to 7,688.48, 11,532.69 and 2,423.93

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Solution

The fourth proportional to 7,688.48, 11,532.69 and 2,423.93 is: 3,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.48 : 11,532.69 = 2,423.93 : x
  2. Step 2: Convert to fraction form
    7,688.48/11,532.69 = 2,423.93/x
  3. Step 3: Cross multiply
    7,688.48x = 11,532.69 × 2,423.93
  4. Step 4: Simplify right side
    7,688.48x = 27,954,375.61
  5. Step 5: Solve for x
    x = 27,954,375.61/7,688.48
  6. Step 6: Final answer
    x = 3,635.88

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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.