Home / 7,924.40-11,887.39-2,730.26

Finding the Fourth Proportional to 7,924.40, 11,887.39 and 2,730.26

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Solution

The fourth proportional to 7,924.40, 11,887.39 and 2,730.26 is: 4,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.40 : 11,887.39 = 2,730.26 : x
  2. Step 2: Convert to fraction form
    7,924.40/11,887.39 = 2,730.26/x
  3. Step 3: Cross multiply
    7,924.40x = 11,887.39 × 2,730.26
  4. Step 4: Simplify right side
    7,924.40x = 32,455,665.42
  5. Step 5: Solve for x
    x = 32,455,665.42/7,924.40
  6. Step 6: Final answer
    x = 4,095.66

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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.