Home / 10,950.54-15,112.25-6,172.46

Finding the Fourth Proportional to 10,950.54, 15,112.25 and 6,172.46

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Solution

The fourth proportional to 10,950.54, 15,112.25 and 6,172.46 is: 8,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.54 : 15,112.25 = 6,172.46 : x
  2. Step 2: Convert to fraction form
    10,950.54/15,112.25 = 6,172.46/x
  3. Step 3: Cross multiply
    10,950.54x = 15,112.25 × 6,172.46
  4. Step 4: Simplify right side
    10,950.54x = 93,279,652.21
  5. Step 5: Solve for x
    x = 93,279,652.21/10,950.54
  6. Step 6: Final answer
    x = 8,518.27

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1.5x scale

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.