Home / 7,845.12-10,826.46-4,308.66

Finding the Fourth Proportional to 7,845.12, 10,826.46 and 4,308.66

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Solution

The fourth proportional to 7,845.12, 10,826.46 and 4,308.66 is: 5,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.12 : 10,826.46 = 4,308.66 : x
  2. Step 2: Convert to fraction form
    7,845.12/10,826.46 = 4,308.66/x
  3. Step 3: Cross multiply
    7,845.12x = 10,826.46 × 4,308.66
  4. Step 4: Simplify right side
    7,845.12x = 46,647,535.14
  5. Step 5: Solve for x
    x = 46,647,535.14/7,845.12
  6. Step 6: Final answer
    x = 5,946.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.