Home / 12,709.44-19,069.40-5,590.02

Finding the Fourth Proportional to 12,709.44, 19,069.40 and 5,590.02

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Solution

The fourth proportional to 12,709.44, 19,069.40 and 5,590.02 is: 8,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.44 : 19,069.40 = 5,590.02 : x
  2. Step 2: Convert to fraction form
    12,709.44/19,069.40 = 5,590.02/x
  3. Step 3: Cross multiply
    12,709.44x = 19,069.40 × 5,590.02
  4. Step 4: Simplify right side
    12,709.44x = 106,598,299.44
  5. Step 5: Solve for x
    x = 106,598,299.44/12,709.44
  6. Step 6: Final answer
    x = 8,387.33

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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.