Home / 8,536.02-11,776.42-5,177.64

Finding the Fourth Proportional to 8,536.02, 11,776.42 and 5,177.64

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Solution

The fourth proportional to 8,536.02, 11,776.42 and 5,177.64 is: 7,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.02 : 11,776.42 = 5,177.64 : x
  2. Step 2: Convert to fraction form
    8,536.02/11,776.42 = 5,177.64/x
  3. Step 3: Cross multiply
    8,536.02x = 11,776.42 × 5,177.64
  4. Step 4: Simplify right side
    8,536.02x = 60,974,063.25
  5. Step 5: Solve for x
    x = 60,974,063.25/8,536.02
  6. Step 6: Final answer
    x = 7,143.15

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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.