Home / 8,275.77-11,420.43-4,499.03

Finding the Fourth Proportional to 8,275.77, 11,420.43 and 4,499.03

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Solution

The fourth proportional to 8,275.77, 11,420.43 and 4,499.03 is: 6,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.77 : 11,420.43 = 4,499.03 : x
  2. Step 2: Convert to fraction form
    8,275.77/11,420.43 = 4,499.03/x
  3. Step 3: Cross multiply
    8,275.77x = 11,420.43 × 4,499.03
  4. Step 4: Simplify right side
    8,275.77x = 51,380,826.04
  5. Step 5: Solve for x
    x = 51,380,826.04/8,275.77
  6. Step 6: Final answer
    x = 6,208.59

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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.