Home / 8,188.35-11,298.85-4,830.62

Finding the Fourth Proportional to 8,188.35, 11,298.85 and 4,830.62

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Solution

The fourth proportional to 8,188.35, 11,298.85 and 4,830.62 is: 6,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.35 : 11,298.85 = 4,830.62 : x
  2. Step 2: Convert to fraction form
    8,188.35/11,298.85 = 4,830.62/x
  3. Step 3: Cross multiply
    8,188.35x = 11,298.85 × 4,830.62
  4. Step 4: Simplify right side
    8,188.35x = 54,580,445.80
  5. Step 5: Solve for x
    x = 54,580,445.80/8,188.35
  6. Step 6: Final answer
    x = 6,665.62

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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.