Home / 11,622.92-17,427.36-4,689.32

Finding the Fourth Proportional to 11,622.92, 17,427.36 and 4,689.32

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Solution

The fourth proportional to 11,622.92, 17,427.36 and 4,689.32 is: 7,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.92 : 17,427.36 = 4,689.32 : x
  2. Step 2: Convert to fraction form
    11,622.92/17,427.36 = 4,689.32/x
  3. Step 3: Cross multiply
    11,622.92x = 17,427.36 × 4,689.32
  4. Step 4: Simplify right side
    11,622.92x = 81,722,467.80
  5. Step 5: Solve for x
    x = 81,722,467.80/11,622.92
  6. Step 6: Final answer
    x = 7,031.15

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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.