Home / 9,334.44-12,885.72-5,558.88

Finding the Fourth Proportional to 9,334.44, 12,885.72 and 5,558.88

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Solution

The fourth proportional to 9,334.44, 12,885.72 and 5,558.88 is: 7,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.44 : 12,885.72 = 5,558.88 : x
  2. Step 2: Convert to fraction form
    9,334.44/12,885.72 = 5,558.88/x
  3. Step 3: Cross multiply
    9,334.44x = 12,885.72 × 5,558.88
  4. Step 4: Simplify right side
    9,334.44x = 71,630,171.19
  5. Step 5: Solve for x
    x = 71,630,171.19/9,334.44
  6. Step 6: Final answer
    x = 7,673.75

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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.