Home / 10,380.55-15,567.51-3,359.08

Finding the Fourth Proportional to 10,380.55, 15,567.51 and 3,359.08

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Solution

The fourth proportional to 10,380.55, 15,567.51 and 3,359.08 is: 5,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.55 : 15,567.51 = 3,359.08 : x
  2. Step 2: Convert to fraction form
    10,380.55/15,567.51 = 3,359.08/x
  3. Step 3: Cross multiply
    10,380.55x = 15,567.51 × 3,359.08
  4. Step 4: Simplify right side
    10,380.55x = 52,292,511.49
  5. Step 5: Solve for x
    x = 52,292,511.49/10,380.55
  6. Step 6: Final answer
    x = 5,037.55

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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.