Home / 9,104.22-12,561.54-6,981.92

Finding the Fourth Proportional to 9,104.22, 12,561.54 and 6,981.92

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Solution

The fourth proportional to 9,104.22, 12,561.54 and 6,981.92 is: 9,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.22 : 12,561.54 = 6,981.92 : x
  2. Step 2: Convert to fraction form
    9,104.22/12,561.54 = 6,981.92/x
  3. Step 3: Cross multiply
    9,104.22x = 12,561.54 × 6,981.92
  4. Step 4: Simplify right side
    9,104.22x = 87,703,667.36
  5. Step 5: Solve for x
    x = 87,703,667.36/9,104.22
  6. Step 6: Final answer
    x = 9,633.30

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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.