Home / 8,308.12-11,466.30-5,788.60

Finding the Fourth Proportional to 8,308.12, 11,466.30 and 5,788.60

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Solution

The fourth proportional to 8,308.12, 11,466.30 and 5,788.60 is: 7,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.12 : 11,466.30 = 5,788.60 : x
  2. Step 2: Convert to fraction form
    8,308.12/11,466.30 = 5,788.60/x
  3. Step 3: Cross multiply
    8,308.12x = 11,466.30 × 5,788.60
  4. Step 4: Simplify right side
    8,308.12x = 66,373,824.18
  5. Step 5: Solve for x
    x = 66,373,824.18/8,308.12
  6. Step 6: Final answer
    x = 7,989.03

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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.