Home / 7,538.49-11,300.12-5,453.41

Finding the Fourth Proportional to 7,538.49, 11,300.12 and 5,453.41

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Solution

The fourth proportional to 7,538.49, 11,300.12 and 5,453.41 is: 8,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.49 : 11,300.12 = 5,453.41 : x
  2. Step 2: Convert to fraction form
    7,538.49/11,300.12 = 5,453.41/x
  3. Step 3: Cross multiply
    7,538.49x = 11,300.12 × 5,453.41
  4. Step 4: Simplify right side
    7,538.49x = 61,624,187.41
  5. Step 5: Solve for x
    x = 61,624,187.41/7,538.49
  6. Step 6: Final answer
    x = 8,174.61

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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.