Home / 10,523.46-15,777.87-5,325.78

Finding the Fourth Proportional to 10,523.46, 15,777.87 and 5,325.78

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Solution

The fourth proportional to 10,523.46, 15,777.87 and 5,325.78 is: 7,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.46 : 15,777.87 = 5,325.78 : x
  2. Step 2: Convert to fraction form
    10,523.46/15,777.87 = 5,325.78/x
  3. Step 3: Cross multiply
    10,523.46x = 15,777.87 × 5,325.78
  4. Step 4: Simplify right side
    10,523.46x = 84,029,464.49
  5. Step 5: Solve for x
    x = 84,029,464.49/10,523.46
  6. Step 6: Final answer
    x = 7,984.97

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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.