Home / 12,708.48-19,065.27-4,388.80

Finding the Fourth Proportional to 12,708.48, 19,065.27 and 4,388.80

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Solution

The fourth proportional to 12,708.48, 19,065.27 and 4,388.80 is: 6,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.48 : 19,065.27 = 4,388.80 : x
  2. Step 2: Convert to fraction form
    12,708.48/19,065.27 = 4,388.80/x
  3. Step 3: Cross multiply
    12,708.48x = 19,065.27 × 4,388.80
  4. Step 4: Simplify right side
    12,708.48x = 83,673,635.03
  5. Step 5: Solve for x
    x = 83,673,635.03/12,708.48
  6. Step 6: Final answer
    x = 6,584.08

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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.