Home / 8,524.08-11,759.88-6,291.36

Finding the Fourth Proportional to 8,524.08, 11,759.88 and 6,291.36

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Solution

The fourth proportional to 8,524.08, 11,759.88 and 6,291.36 is: 8,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.08 : 11,759.88 = 6,291.36 : x
  2. Step 2: Convert to fraction form
    8,524.08/11,759.88 = 6,291.36/x
  3. Step 3: Cross multiply
    8,524.08x = 11,759.88 × 6,291.36
  4. Step 4: Simplify right side
    8,524.08x = 73,985,638.64
  5. Step 5: Solve for x
    x = 73,985,638.64/8,524.08
  6. Step 6: Final answer
    x = 8,679.60

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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.