Home / 8,208.75-11,328.03-4,671.93

Finding the Fourth Proportional to 8,208.75, 11,328.03 and 4,671.93

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Solution

The fourth proportional to 8,208.75, 11,328.03 and 4,671.93 is: 6,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.75 : 11,328.03 = 4,671.93 : x
  2. Step 2: Convert to fraction form
    8,208.75/11,328.03 = 4,671.93/x
  3. Step 3: Cross multiply
    8,208.75x = 11,328.03 × 4,671.93
  4. Step 4: Simplify right side
    8,208.75x = 52,923,763.20
  5. Step 5: Solve for x
    x = 52,923,763.20/8,208.75
  6. Step 6: Final answer
    x = 6,447.24

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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.