Home / 10,376.34-15,555.78-4,826.85

Finding the Fourth Proportional to 10,376.34, 15,555.78 and 4,826.85

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Solution

The fourth proportional to 10,376.34, 15,555.78 and 4,826.85 is: 7,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.34 : 15,555.78 = 4,826.85 : x
  2. Step 2: Convert to fraction form
    10,376.34/15,555.78 = 4,826.85/x
  3. Step 3: Cross multiply
    10,376.34x = 15,555.78 × 4,826.85
  4. Step 4: Simplify right side
    10,376.34x = 75,085,416.69
  5. Step 5: Solve for x
    x = 75,085,416.69/10,376.34
  6. Step 6: Final answer
    x = 7,236.21

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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.