Home / 12,934.51-19,385.51-5,530.26

Finding the Fourth Proportional to 12,934.51, 19,385.51 and 5,530.26

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Solution

The fourth proportional to 12,934.51, 19,385.51 and 5,530.26 is: 8,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.51 : 19,385.51 = 5,530.26 : x
  2. Step 2: Convert to fraction form
    12,934.51/19,385.51 = 5,530.26/x
  3. Step 3: Cross multiply
    12,934.51x = 19,385.51 × 5,530.26
  4. Step 4: Simplify right side
    12,934.51x = 107,206,910.53
  5. Step 5: Solve for x
    x = 107,206,910.53/12,934.51
  6. Step 6: Final answer
    x = 8,288.44

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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.