Home / 12,828.11-19,244.88-5,036.91

Finding the Fourth Proportional to 12,828.11, 19,244.88 and 5,036.91

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Solution

The fourth proportional to 12,828.11, 19,244.88 and 5,036.91 is: 7,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.11 : 19,244.88 = 5,036.91 : x
  2. Step 2: Convert to fraction form
    12,828.11/19,244.88 = 5,036.91/x
  3. Step 3: Cross multiply
    12,828.11x = 19,244.88 × 5,036.91
  4. Step 4: Simplify right side
    12,828.11x = 96,934,728.52
  5. Step 5: Solve for x
    x = 96,934,728.52/12,828.11
  6. Step 6: Final answer
    x = 7,556.43

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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.