Home / 7,402.32-11,108.06-3,019.77

Finding the Fourth Proportional to 7,402.32, 11,108.06 and 3,019.77

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Solution

The fourth proportional to 7,402.32, 11,108.06 and 3,019.77 is: 4,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.32 : 11,108.06 = 3,019.77 : x
  2. Step 2: Convert to fraction form
    7,402.32/11,108.06 = 3,019.77/x
  3. Step 3: Cross multiply
    7,402.32x = 11,108.06 × 3,019.77
  4. Step 4: Simplify right side
    7,402.32x = 33,543,786.35
  5. Step 5: Solve for x
    x = 33,543,786.35/7,402.32
  6. Step 6: Final answer
    x = 4,531.52

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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.