Home / 7,076.48-10,615.99-5,771.79

Finding the Fourth Proportional to 7,076.48, 10,615.99 and 5,771.79

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Solution

The fourth proportional to 7,076.48, 10,615.99 and 5,771.79 is: 8,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.48 : 10,615.99 = 5,771.79 : x
  2. Step 2: Convert to fraction form
    7,076.48/10,615.99 = 5,771.79/x
  3. Step 3: Cross multiply
    7,076.48x = 10,615.99 × 5,771.79
  4. Step 4: Simplify right side
    7,076.48x = 61,273,250.49
  5. Step 5: Solve for x
    x = 61,273,250.49/7,076.48
  6. Step 6: Final answer
    x = 8,658.72

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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.