Home / 11,041.88-15,222.16-7,892.60

Finding the Fourth Proportional to 11,041.88, 15,222.16 and 7,892.60

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Solution

The fourth proportional to 11,041.88, 15,222.16 and 7,892.60 is: 10,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.88 : 15,222.16 = 7,892.60 : x
  2. Step 2: Convert to fraction form
    11,041.88/15,222.16 = 7,892.60/x
  3. Step 3: Cross multiply
    11,041.88x = 15,222.16 × 7,892.60
  4. Step 4: Simplify right side
    11,041.88x = 120,142,420.02
  5. Step 5: Solve for x
    x = 120,142,420.02/11,041.88
  6. Step 6: Final answer
    x = 10,880.61

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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.