Home / 9,102.26-12,561.63-6,072.15

Finding the Fourth Proportional to 9,102.26, 12,561.63 and 6,072.15

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Solution

The fourth proportional to 9,102.26, 12,561.63 and 6,072.15 is: 8,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.26 : 12,561.63 = 6,072.15 : x
  2. Step 2: Convert to fraction form
    9,102.26/12,561.63 = 6,072.15/x
  3. Step 3: Cross multiply
    9,102.26x = 12,561.63 × 6,072.15
  4. Step 4: Simplify right side
    9,102.26x = 76,276,101.60
  5. Step 5: Solve for x
    x = 76,276,101.60/9,102.26
  6. Step 6: Final answer
    x = 8,379.91

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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.