Home / 8,399.23-11,590.73-4,622.29

Finding the Fourth Proportional to 8,399.23, 11,590.73 and 4,622.29

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Solution

The fourth proportional to 8,399.23, 11,590.73 and 4,622.29 is: 6,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.23 : 11,590.73 = 4,622.29 : x
  2. Step 2: Convert to fraction form
    8,399.23/11,590.73 = 4,622.29/x
  3. Step 3: Cross multiply
    8,399.23x = 11,590.73 × 4,622.29
  4. Step 4: Simplify right side
    8,399.23x = 53,575,657.42
  5. Step 5: Solve for x
    x = 53,575,657.42/8,399.23
  6. Step 6: Final answer
    x = 6,378.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.