Home / 8,536.22-12,777.60-5,530.22

Finding the Fourth Proportional to 8,536.22, 12,777.60 and 5,530.22

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Solution

The fourth proportional to 8,536.22, 12,777.60 and 5,530.22 is: 8,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.22 : 12,777.60 = 5,530.22 : x
  2. Step 2: Convert to fraction form
    8,536.22/12,777.60 = 5,530.22/x
  3. Step 3: Cross multiply
    8,536.22x = 12,777.60 × 5,530.22
  4. Step 4: Simplify right side
    8,536.22x = 70,662,939.07
  5. Step 5: Solve for x
    x = 70,662,939.07/8,536.22
  6. Step 6: Final answer
    x = 8,278.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.