Home / 10,390.08-15,573.60-5,184.48

Finding the Fourth Proportional to 10,390.08, 15,573.60 and 5,184.48

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Solution

The fourth proportional to 10,390.08, 15,573.60 and 5,184.48 is: 7,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.08 : 15,573.60 = 5,184.48 : x
  2. Step 2: Convert to fraction form
    10,390.08/15,573.60 = 5,184.48/x
  3. Step 3: Cross multiply
    10,390.08x = 15,573.60 × 5,184.48
  4. Step 4: Simplify right side
    10,390.08x = 80,741,017.73
  5. Step 5: Solve for x
    x = 80,741,017.73/10,390.08
  6. Step 6: Final answer
    x = 7,770.97

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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.