Home / 10,981.26-15,152.67-6,201.54

Finding the Fourth Proportional to 10,981.26, 15,152.67 and 6,201.54

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Solution

The fourth proportional to 10,981.26, 15,152.67 and 6,201.54 is: 8,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.26 : 15,152.67 = 6,201.54 : x
  2. Step 2: Convert to fraction form
    10,981.26/15,152.67 = 6,201.54/x
  3. Step 3: Cross multiply
    10,981.26x = 15,152.67 × 6,201.54
  4. Step 4: Simplify right side
    10,981.26x = 93,969,889.11
  5. Step 5: Solve for x
    x = 93,969,889.11/10,981.26
  6. Step 6: Final answer
    x = 8,557.30

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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.