Home / 8,328.36-11,485.56-5,529

Finding the Fourth Proportional to 8,328.36, 11,485.56 and 5,529

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Solution

The fourth proportional to 8,328.36, 11,485.56 and 5,529 is: 7,624.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.36 : 11,485.56 = 5,529 : x
  2. Step 2: Convert to fraction form
    8,328.36/11,485.56 = 5,529/x
  3. Step 3: Cross multiply
    8,328.36x = 11,485.56 × 5,529
  4. Step 4: Simplify right side
    8,328.36x = 63,503,661.24
  5. Step 5: Solve for x
    x = 63,503,661.24/8,328.36
  6. Step 6: Final answer
    x = 7,624.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.