Home / 8,722.22-12,036.53-4,743.36

Finding the Fourth Proportional to 8,722.22, 12,036.53 and 4,743.36

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Solution

The fourth proportional to 8,722.22, 12,036.53 and 4,743.36 is: 6,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.22 : 12,036.53 = 4,743.36 : x
  2. Step 2: Convert to fraction form
    8,722.22/12,036.53 = 4,743.36/x
  3. Step 3: Cross multiply
    8,722.22x = 12,036.53 × 4,743.36
  4. Step 4: Simplify right side
    8,722.22x = 57,093,606.80
  5. Step 5: Solve for x
    x = 57,093,606.80/8,722.22
  6. Step 6: Final answer
    x = 6,545.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.