Home / 7,499.68-11,240.40-5,644.83

Finding the Fourth Proportional to 7,499.68, 11,240.40 and 5,644.83

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Solution

The fourth proportional to 7,499.68, 11,240.40 and 5,644.83 is: 8,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.68 : 11,240.40 = 5,644.83 : x
  2. Step 2: Convert to fraction form
    7,499.68/11,240.40 = 5,644.83/x
  3. Step 3: Cross multiply
    7,499.68x = 11,240.40 × 5,644.83
  4. Step 4: Simplify right side
    7,499.68x = 63,450,147.13
  5. Step 5: Solve for x
    x = 63,450,147.13/7,499.68
  6. Step 6: Final answer
    x = 8,460.38

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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.