Home / 7,764.96-11,628.48-4,982.88

Finding the Fourth Proportional to 7,764.96, 11,628.48 and 4,982.88

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Solution

The fourth proportional to 7,764.96, 11,628.48 and 4,982.88 is: 7,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.96 : 11,628.48 = 4,982.88 : x
  2. Step 2: Convert to fraction form
    7,764.96/11,628.48 = 4,982.88/x
  3. Step 3: Cross multiply
    7,764.96x = 11,628.48 × 4,982.88
  4. Step 4: Simplify right side
    7,764.96x = 57,943,320.42
  5. Step 5: Solve for x
    x = 57,943,320.42/7,764.96
  6. Step 6: Final answer
    x = 7,462.15

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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.