Home / 7,997.15-11,047.23-7,576.76

Finding the Fourth Proportional to 7,997.15, 11,047.23 and 7,576.76

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Solution

The fourth proportional to 7,997.15, 11,047.23 and 7,576.76 is: 10,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.15 : 11,047.23 = 7,576.76 : x
  2. Step 2: Convert to fraction form
    7,997.15/11,047.23 = 7,576.76/x
  3. Step 3: Cross multiply
    7,997.15x = 11,047.23 × 7,576.76
  4. Step 4: Simplify right side
    7,997.15x = 83,702,237.99
  5. Step 5: Solve for x
    x = 83,702,237.99/7,997.15
  6. Step 6: Final answer
    x = 10,466.51

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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.