Home / 11,922.79-17,873.56-4,522.23

Finding the Fourth Proportional to 11,922.79, 17,873.56 and 4,522.23

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Solution

The fourth proportional to 11,922.79, 17,873.56 and 4,522.23 is: 6,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.79 : 17,873.56 = 4,522.23 : x
  2. Step 2: Convert to fraction form
    11,922.79/17,873.56 = 4,522.23/x
  3. Step 3: Cross multiply
    11,922.79x = 17,873.56 × 4,522.23
  4. Step 4: Simplify right side
    11,922.79x = 80,828,349.24
  5. Step 5: Solve for x
    x = 80,828,349.24/11,922.79
  6. Step 6: Final answer
    x = 6,779.32

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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.