Home / 8,275.95-11,420.79-4,499.12

Finding the Fourth Proportional to 8,275.95, 11,420.79 and 4,499.12

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Solution

The fourth proportional to 8,275.95, 11,420.79 and 4,499.12 is: 6,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.95 : 11,420.79 = 4,499.12 : x
  2. Step 2: Convert to fraction form
    8,275.95/11,420.79 = 4,499.12/x
  3. Step 3: Cross multiply
    8,275.95x = 11,420.79 × 4,499.12
  4. Step 4: Simplify right side
    8,275.95x = 51,383,447.60
  5. Step 5: Solve for x
    x = 51,383,447.60/8,275.95
  6. Step 6: Final answer
    x = 6,208.77

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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.