Home / 9,560.72-13,157.88-8,087.96

Finding the Fourth Proportional to 9,560.72, 13,157.88 and 8,087.96

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Solution

The fourth proportional to 9,560.72, 13,157.88 and 8,087.96 is: 11,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,560.72 : 13,157.88 = 8,087.96 : x
  2. Step 2: Convert to fraction form
    9,560.72/13,157.88 = 8,087.96/x
  3. Step 3: Cross multiply
    9,560.72x = 13,157.88 × 8,087.96
  4. Step 4: Simplify right side
    9,560.72x = 106,420,407.12
  5. Step 5: Solve for x
    x = 106,420,407.12/9,560.72
  6. Step 6: Final answer
    x = 11,131.00

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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.