Home / 8,400.56-11,592.20-4,623

Finding the Fourth Proportional to 8,400.56, 11,592.20 and 4,623

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Solution

The fourth proportional to 8,400.56, 11,592.20 and 4,623 is: 6,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.56 : 11,592.20 = 4,623 : x
  2. Step 2: Convert to fraction form
    8,400.56/11,592.20 = 4,623/x
  3. Step 3: Cross multiply
    8,400.56x = 11,592.20 × 4,623
  4. Step 4: Simplify right side
    8,400.56x = 53,590,740.60
  5. Step 5: Solve for x
    x = 53,590,740.60/8,400.56
  6. Step 6: Final answer
    x = 6,379.42

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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.