Home / 10,222.49-15,325.54-5,777.42

Finding the Fourth Proportional to 10,222.49, 15,325.54 and 5,777.42

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Solution

The fourth proportional to 10,222.49, 15,325.54 and 5,777.42 is: 8,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.49 : 15,325.54 = 5,777.42 : x
  2. Step 2: Convert to fraction form
    10,222.49/15,325.54 = 5,777.42/x
  3. Step 3: Cross multiply
    10,222.49x = 15,325.54 × 5,777.42
  4. Step 4: Simplify right side
    10,222.49x = 88,541,990.24
  5. Step 5: Solve for x
    x = 88,541,990.24/10,222.49
  6. Step 6: Final answer
    x = 8,661.49

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1.5x scale

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.