Home / 7,723.59-11,585.43-2,176.98

Finding the Fourth Proportional to 7,723.59, 11,585.43 and 2,176.98

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Solution

The fourth proportional to 7,723.59, 11,585.43 and 2,176.98 is: 3,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.59 : 11,585.43 = 2,176.98 : x
  2. Step 2: Convert to fraction form
    7,723.59/11,585.43 = 2,176.98/x
  3. Step 3: Cross multiply
    7,723.59x = 11,585.43 × 2,176.98
  4. Step 4: Simplify right side
    7,723.59x = 25,221,249.40
  5. Step 5: Solve for x
    x = 25,221,249.40/7,723.59
  6. Step 6: Final answer
    x = 3,265.48

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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.