Home / 10,367.47-15,539.55-4,125.78

Finding the Fourth Proportional to 10,367.47, 15,539.55 and 4,125.78

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Solution

The fourth proportional to 10,367.47, 15,539.55 and 4,125.78 is: 6,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.47 : 15,539.55 = 4,125.78 : x
  2. Step 2: Convert to fraction form
    10,367.47/15,539.55 = 4,125.78/x
  3. Step 3: Cross multiply
    10,367.47x = 15,539.55 × 4,125.78
  4. Step 4: Simplify right side
    10,367.47x = 64,112,764.60
  5. Step 5: Solve for x
    x = 64,112,764.60/10,367.47
  6. Step 6: Final answer
    x = 6,184.03

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1.5x scale

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.