Home / 7,711.12-11,567.46-2,164.48

Finding the Fourth Proportional to 7,711.12, 11,567.46 and 2,164.48

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Solution

The fourth proportional to 7,711.12, 11,567.46 and 2,164.48 is: 3,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.12 : 11,567.46 = 2,164.48 : x
  2. Step 2: Convert to fraction form
    7,711.12/11,567.46 = 2,164.48/x
  3. Step 3: Cross multiply
    7,711.12x = 11,567.46 × 2,164.48
  4. Step 4: Simplify right side
    7,711.12x = 25,037,535.82
  5. Step 5: Solve for x
    x = 25,037,535.82/7,711.12
  6. Step 6: Final answer
    x = 3,246.94

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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.