Home / 7,500.21-11,189.64-6,752.91

Finding the Fourth Proportional to 7,500.21, 11,189.64 and 6,752.91

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Solution

The fourth proportional to 7,500.21, 11,189.64 and 6,752.91 is: 10,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.21 : 11,189.64 = 6,752.91 : x
  2. Step 2: Convert to fraction form
    7,500.21/11,189.64 = 6,752.91/x
  3. Step 3: Cross multiply
    7,500.21x = 11,189.64 × 6,752.91
  4. Step 4: Simplify right side
    7,500.21x = 75,562,631.85
  5. Step 5: Solve for x
    x = 75,562,631.85/7,500.21
  6. Step 6: Final answer
    x = 10,074.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.