Home / 8,400.18-11,592.28-4,674.18

Finding the Fourth Proportional to 8,400.18, 11,592.28 and 4,674.18

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Solution

The fourth proportional to 8,400.18, 11,592.28 and 4,674.18 is: 6,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.18 : 11,592.28 = 4,674.18 : x
  2. Step 2: Convert to fraction form
    8,400.18/11,592.28 = 4,674.18/x
  3. Step 3: Cross multiply
    8,400.18x = 11,592.28 × 4,674.18
  4. Step 4: Simplify right side
    8,400.18x = 54,184,403.33
  5. Step 5: Solve for x
    x = 54,184,403.33/8,400.18
  6. Step 6: Final answer
    x = 6,450.39

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Half scale
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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.