Home / 9,106.92-13,655.71-4,172.33

Finding the Fourth Proportional to 9,106.92, 13,655.71 and 4,172.33

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Solution

The fourth proportional to 9,106.92, 13,655.71 and 4,172.33 is: 6,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.92 : 13,655.71 = 4,172.33 : x
  2. Step 2: Convert to fraction form
    9,106.92/13,655.71 = 4,172.33/x
  3. Step 3: Cross multiply
    9,106.92x = 13,655.71 × 4,172.33
  4. Step 4: Simplify right side
    9,106.92x = 56,976,128.50
  5. Step 5: Solve for x
    x = 56,976,128.50/9,106.92
  6. Step 6: Final answer
    x = 6,256.36

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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.