Home / 9,093.66-12,549.36-6,820.99

Finding the Fourth Proportional to 9,093.66, 12,549.36 and 6,820.99

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Solution

The fourth proportional to 9,093.66, 12,549.36 and 6,820.99 is: 9,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,093.66 : 12,549.36 = 6,820.99 : x
  2. Step 2: Convert to fraction form
    9,093.66/12,549.36 = 6,820.99/x
  3. Step 3: Cross multiply
    9,093.66x = 12,549.36 × 6,820.99
  4. Step 4: Simplify right side
    9,093.66x = 85,599,059.07
  5. Step 5: Solve for x
    x = 85,599,059.07/9,093.66
  6. Step 6: Final answer
    x = 9,413.05

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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.