Home / 8,254.40-11,390.82-5,900.48

Finding the Fourth Proportional to 8,254.40, 11,390.82 and 5,900.48

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Solution

The fourth proportional to 8,254.40, 11,390.82 and 5,900.48 is: 8,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.40 : 11,390.82 = 5,900.48 : x
  2. Step 2: Convert to fraction form
    8,254.40/11,390.82 = 5,900.48/x
  3. Step 3: Cross multiply
    8,254.40x = 11,390.82 × 5,900.48
  4. Step 4: Simplify right side
    8,254.40x = 67,211,305.59
  5. Step 5: Solve for x
    x = 67,211,305.59/8,254.40
  6. Step 6: Final answer
    x = 8,142.48

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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.