Home / 8,618.85-11,893.65-5,597.01

Finding the Fourth Proportional to 8,618.85, 11,893.65 and 5,597.01

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Solution

The fourth proportional to 8,618.85, 11,893.65 and 5,597.01 is: 7,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.85 : 11,893.65 = 5,597.01 : x
  2. Step 2: Convert to fraction form
    8,618.85/11,893.65 = 5,597.01/x
  3. Step 3: Cross multiply
    8,618.85x = 11,893.65 × 5,597.01
  4. Step 4: Simplify right side
    8,618.85x = 66,568,877.99
  5. Step 5: Solve for x
    x = 66,568,877.99/8,618.85
  6. Step 6: Final answer
    x = 7,723.64

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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.