Home / 9,135.76-13,706.16-3,292.24

Finding the Fourth Proportional to 9,135.76, 13,706.16 and 3,292.24

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Solution

The fourth proportional to 9,135.76, 13,706.16 and 3,292.24 is: 4,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.76 : 13,706.16 = 3,292.24 : x
  2. Step 2: Convert to fraction form
    9,135.76/13,706.16 = 3,292.24/x
  3. Step 3: Cross multiply
    9,135.76x = 13,706.16 × 3,292.24
  4. Step 4: Simplify right side
    9,135.76x = 45,123,968.20
  5. Step 5: Solve for x
    x = 45,123,968.20/9,135.76
  6. Step 6: Final answer
    x = 4,939.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.