Home / 9,104.91-12,564.76-5,328.80

Finding the Fourth Proportional to 9,104.91, 12,564.76 and 5,328.80

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Solution

The fourth proportional to 9,104.91, 12,564.76 and 5,328.80 is: 7,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.91 : 12,564.76 = 5,328.80 : x
  2. Step 2: Convert to fraction form
    9,104.91/12,564.76 = 5,328.80/x
  3. Step 3: Cross multiply
    9,104.91x = 12,564.76 × 5,328.80
  4. Step 4: Simplify right side
    9,104.91x = 66,955,093.09
  5. Step 5: Solve for x
    x = 66,955,093.09/9,104.91
  6. Step 6: Final answer
    x = 7,353.73

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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.