Home / 7,529.86-11,271.12-5,176.10

Finding the Fourth Proportional to 7,529.86, 11,271.12 and 5,176.10

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Solution

The fourth proportional to 7,529.86, 11,271.12 and 5,176.10 is: 7,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.86 : 11,271.12 = 5,176.10 : x
  2. Step 2: Convert to fraction form
    7,529.86/11,271.12 = 5,176.10/x
  3. Step 3: Cross multiply
    7,529.86x = 11,271.12 × 5,176.10
  4. Step 4: Simplify right side
    7,529.86x = 58,340,453.00
  5. Step 5: Solve for x
    x = 58,340,453.00/7,529.86
  6. Step 6: Final answer
    x = 7,747.88

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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.