Home / 11,330.08-15,631.20-8,353

Finding the Fourth Proportional to 11,330.08, 15,631.20 and 8,353

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Solution

The fourth proportional to 11,330.08, 15,631.20 and 8,353 is: 11,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.08 : 15,631.20 = 8,353 : x
  2. Step 2: Convert to fraction form
    11,330.08/15,631.20 = 8,353/x
  3. Step 3: Cross multiply
    11,330.08x = 15,631.20 × 8,353
  4. Step 4: Simplify right side
    11,330.08x = 130,567,413.60
  5. Step 5: Solve for x
    x = 130,567,413.60/11,330.08
  6. Step 6: Final answer
    x = 11,523.96

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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.