Home / 10,887.96-15,025.10-6,172.23

Finding the Fourth Proportional to 10,887.96, 15,025.10 and 6,172.23

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Solution

The fourth proportional to 10,887.96, 15,025.10 and 6,172.23 is: 8,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.96 : 15,025.10 = 6,172.23 : x
  2. Step 2: Convert to fraction form
    10,887.96/15,025.10 = 6,172.23/x
  3. Step 3: Cross multiply
    10,887.96x = 15,025.10 × 6,172.23
  4. Step 4: Simplify right side
    10,887.96x = 92,738,342.11
  5. Step 5: Solve for x
    x = 92,738,342.11/10,887.96
  6. Step 6: Final answer
    x = 8,517.51

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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.