Home / 7,528.68-11,249.88-5,739.90

Finding the Fourth Proportional to 7,528.68, 11,249.88 and 5,739.90

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Solution

The fourth proportional to 7,528.68, 11,249.88 and 5,739.90 is: 8,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.68 : 11,249.88 = 5,739.90 : x
  2. Step 2: Convert to fraction form
    7,528.68/11,249.88 = 5,739.90/x
  3. Step 3: Cross multiply
    7,528.68x = 11,249.88 × 5,739.90
  4. Step 4: Simplify right side
    7,528.68x = 64,573,186.21
  5. Step 5: Solve for x
    x = 64,573,186.21/7,528.68
  6. Step 6: Final answer
    x = 8,576.96

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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.