Home / 8,535.23-12,808.64-5,238.26

Finding the Fourth Proportional to 8,535.23, 12,808.64 and 5,238.26

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Solution

The fourth proportional to 8,535.23, 12,808.64 and 5,238.26 is: 7,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.23 : 12,808.64 = 5,238.26 : x
  2. Step 2: Convert to fraction form
    8,535.23/12,808.64 = 5,238.26/x
  3. Step 3: Cross multiply
    8,535.23x = 12,808.64 × 5,238.26
  4. Step 4: Simplify right side
    8,535.23x = 67,094,896.33
  5. Step 5: Solve for x
    x = 67,094,896.33/8,535.23
  6. Step 6: Final answer
    x = 7,860.94

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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.