Home / 8,933.58-13,421.22-5,238.36

Finding the Fourth Proportional to 8,933.58, 13,421.22 and 5,238.36

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Solution

The fourth proportional to 8,933.58, 13,421.22 and 5,238.36 is: 7,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.58 : 13,421.22 = 5,238.36 : x
  2. Step 2: Convert to fraction form
    8,933.58/13,421.22 = 5,238.36/x
  3. Step 3: Cross multiply
    8,933.58x = 13,421.22 × 5,238.36
  4. Step 4: Simplify right side
    8,933.58x = 70,305,182.00
  5. Step 5: Solve for x
    x = 70,305,182.00/8,933.58
  6. Step 6: Final answer
    x = 7,869.77

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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.