Home / 11,336.60-16,985.70-5,480.60

Finding the Fourth Proportional to 11,336.60, 16,985.70 and 5,480.60

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Solution

The fourth proportional to 11,336.60, 16,985.70 and 5,480.60 is: 8,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.60 : 16,985.70 = 5,480.60 : x
  2. Step 2: Convert to fraction form
    11,336.60/16,985.70 = 5,480.60/x
  3. Step 3: Cross multiply
    11,336.60x = 16,985.70 × 5,480.60
  4. Step 4: Simplify right side
    11,336.60x = 93,091,827.42
  5. Step 5: Solve for x
    x = 93,091,827.42/11,336.60
  6. Step 6: Final answer
    x = 8,211.62

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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.