Home / 9,157.95-12,633.41-6,168.60

Finding the Fourth Proportional to 9,157.95, 12,633.41 and 6,168.60

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Solution

The fourth proportional to 9,157.95, 12,633.41 and 6,168.60 is: 8,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.95 : 12,633.41 = 6,168.60 : x
  2. Step 2: Convert to fraction form
    9,157.95/12,633.41 = 6,168.60/x
  3. Step 3: Cross multiply
    9,157.95x = 12,633.41 × 6,168.60
  4. Step 4: Simplify right side
    9,157.95x = 77,930,422.08
  5. Step 5: Solve for x
    x = 77,930,422.08/9,157.95
  6. Step 6: Final answer
    x = 8,509.59

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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.