Home / 10,453.52-15,678.20-4,905.44

Finding the Fourth Proportional to 10,453.52, 15,678.20 and 4,905.44

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Solution

The fourth proportional to 10,453.52, 15,678.20 and 4,905.44 is: 7,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.52 : 15,678.20 = 4,905.44 : x
  2. Step 2: Convert to fraction form
    10,453.52/15,678.20 = 4,905.44/x
  3. Step 3: Cross multiply
    10,453.52x = 15,678.20 × 4,905.44
  4. Step 4: Simplify right side
    10,453.52x = 76,908,469.41
  5. Step 5: Solve for x
    x = 76,908,469.41/10,453.52
  6. Step 6: Final answer
    x = 7,357.18

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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.