Home / 9,157.15-12,632.30-6,167.80

Finding the Fourth Proportional to 9,157.15, 12,632.30 and 6,167.80

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Solution

The fourth proportional to 9,157.15, 12,632.30 and 6,167.80 is: 8,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.15 : 12,632.30 = 6,167.80 : x
  2. Step 2: Convert to fraction form
    9,157.15/12,632.30 = 6,167.80/x
  3. Step 3: Cross multiply
    9,157.15x = 12,632.30 × 6,167.80
  4. Step 4: Simplify right side
    9,157.15x = 77,913,471.66
  5. Step 5: Solve for x
    x = 77,913,471.66/9,157.15
  6. Step 6: Final answer
    x = 8,508.48

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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.