Home / 15,212.07-22,828.32-5,351.40

Finding the Fourth Proportional to 15,212.07, 22,828.32 and 5,351.40

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Solution

The fourth proportional to 15,212.07, 22,828.32 and 5,351.40 is: 8,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.07 : 22,828.32 = 5,351.40 : x
  2. Step 2: Convert to fraction form
    15,212.07/22,828.32 = 5,351.40/x
  3. Step 3: Cross multiply
    15,212.07x = 22,828.32 × 5,351.40
  4. Step 4: Simplify right side
    15,212.07x = 122,163,471.65
  5. Step 5: Solve for x
    x = 122,163,471.65/15,212.07
  6. Step 6: Final answer
    x = 8,030.69

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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.