Home / 7,415.32-11,116.54-3,029.98

Finding the Fourth Proportional to 7,415.32, 11,116.54 and 3,029.98

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Solution

The fourth proportional to 7,415.32, 11,116.54 and 3,029.98 is: 4,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.32 : 11,116.54 = 3,029.98 : x
  2. Step 2: Convert to fraction form
    7,415.32/11,116.54 = 3,029.98/x
  3. Step 3: Cross multiply
    7,415.32x = 11,116.54 × 3,029.98
  4. Step 4: Simplify right side
    7,415.32x = 33,682,893.87
  5. Step 5: Solve for x
    x = 33,682,893.87/7,415.32
  6. Step 6: Final answer
    x = 4,542.34

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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.