Home / 9,243.09-12,766.10-6,736.41

Finding the Fourth Proportional to 9,243.09, 12,766.10 and 6,736.41

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Solution

The fourth proportional to 9,243.09, 12,766.10 and 6,736.41 is: 9,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.09 : 12,766.10 = 6,736.41 : x
  2. Step 2: Convert to fraction form
    9,243.09/12,766.10 = 6,736.41/x
  3. Step 3: Cross multiply
    9,243.09x = 12,766.10 × 6,736.41
  4. Step 4: Simplify right side
    9,243.09x = 85,997,650.02
  5. Step 5: Solve for x
    x = 85,997,650.02/9,243.09
  6. Step 6: Final answer
    x = 9,303.99

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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.