Home / 8,071.80-11,139.48-4,536.12

Finding the Fourth Proportional to 8,071.80, 11,139.48 and 4,536.12

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Solution

The fourth proportional to 8,071.80, 11,139.48 and 4,536.12 is: 6,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.80 : 11,139.48 = 4,536.12 : x
  2. Step 2: Convert to fraction form
    8,071.80/11,139.48 = 4,536.12/x
  3. Step 3: Cross multiply
    8,071.80x = 11,139.48 × 4,536.12
  4. Step 4: Simplify right side
    8,071.80x = 50,530,018.02
  5. Step 5: Solve for x
    x = 50,530,018.02/8,071.80
  6. Step 6: Final answer
    x = 6,260.07

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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.