Home / 11,397.92-17,100.36-6,900.08

Finding the Fourth Proportional to 11,397.92, 17,100.36 and 6,900.08

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Solution

The fourth proportional to 11,397.92, 17,100.36 and 6,900.08 is: 10,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.92 : 17,100.36 = 6,900.08 : x
  2. Step 2: Convert to fraction form
    11,397.92/17,100.36 = 6,900.08/x
  3. Step 3: Cross multiply
    11,397.92x = 17,100.36 × 6,900.08
  4. Step 4: Simplify right side
    11,397.92x = 117,993,852.03
  5. Step 5: Solve for x
    x = 117,993,852.03/11,397.92
  6. Step 6: Final answer
    x = 10,352.23

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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.