Home / 9,138.36-13,706.46-3,595.80

Finding the Fourth Proportional to 9,138.36, 13,706.46 and 3,595.80

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Solution

The fourth proportional to 9,138.36, 13,706.46 and 3,595.80 is: 5,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.36 : 13,706.46 = 3,595.80 : x
  2. Step 2: Convert to fraction form
    9,138.36/13,706.46 = 3,595.80/x
  3. Step 3: Cross multiply
    9,138.36x = 13,706.46 × 3,595.80
  4. Step 4: Simplify right side
    9,138.36x = 49,285,688.87
  5. Step 5: Solve for x
    x = 49,285,688.87/9,138.36
  6. Step 6: Final answer
    x = 5,393.28

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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.