Home / 7,176.20-10,764.30-6,744.20

Finding the Fourth Proportional to 7,176.20, 10,764.30 and 6,744.20

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Solution

The fourth proportional to 7,176.20, 10,764.30 and 6,744.20 is: 10,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.20 : 10,764.30 = 6,744.20 : x
  2. Step 2: Convert to fraction form
    7,176.20/10,764.30 = 6,744.20/x
  3. Step 3: Cross multiply
    7,176.20x = 10,764.30 × 6,744.20
  4. Step 4: Simplify right side
    7,176.20x = 72,596,592.06
  5. Step 5: Solve for x
    x = 72,596,592.06/7,176.20
  6. Step 6: Final answer
    x = 10,116.30

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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.