Home / 6,766.40-10,159.20-4,174.40

Finding the Fourth Proportional to 6,766.40, 10,159.20 and 4,174.40

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Solution

The fourth proportional to 6,766.40, 10,159.20 and 4,174.40 is: 6,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.40 : 10,159.20 = 4,174.40 : x
  2. Step 2: Convert to fraction form
    6,766.40/10,159.20 = 4,174.40/x
  3. Step 3: Cross multiply
    6,766.40x = 10,159.20 × 4,174.40
  4. Step 4: Simplify right side
    6,766.40x = 42,408,564.48
  5. Step 5: Solve for x
    x = 42,408,564.48/6,766.40
  6. Step 6: Final answer
    x = 6,267.52

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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.