Home / 8,029.36-11,075.52-5,234.80

Finding the Fourth Proportional to 8,029.36, 11,075.52 and 5,234.80

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Solution

The fourth proportional to 8,029.36, 11,075.52 and 5,234.80 is: 7,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.36 : 11,075.52 = 5,234.80 : x
  2. Step 2: Convert to fraction form
    8,029.36/11,075.52 = 5,234.80/x
  3. Step 3: Cross multiply
    8,029.36x = 11,075.52 × 5,234.80
  4. Step 4: Simplify right side
    8,029.36x = 57,978,132.10
  5. Step 5: Solve for x
    x = 57,978,132.10/8,029.36
  6. Step 6: Final answer
    x = 7,220.77

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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.