Home / 10,380.48-15,573.28-4,829.44

Finding the Fourth Proportional to 10,380.48, 15,573.28 and 4,829.44

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Solution

The fourth proportional to 10,380.48, 15,573.28 and 4,829.44 is: 7,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.48 : 15,573.28 = 4,829.44 : x
  2. Step 2: Convert to fraction form
    10,380.48/15,573.28 = 4,829.44/x
  3. Step 3: Cross multiply
    10,380.48x = 15,573.28 × 4,829.44
  4. Step 4: Simplify right side
    10,380.48x = 75,210,221.36
  5. Step 5: Solve for x
    x = 75,210,221.36/10,380.48
  6. Step 6: Final answer
    x = 7,245.35

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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.