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Finding the Fourth Proportional to 9,360.46, 14,028.90 and 8,187.67

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Solution

The fourth proportional to 9,360.46, 14,028.90 and 8,187.67 is: 12,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.46 : 14,028.90 = 8,187.67 : x
  2. Step 2: Convert to fraction form
    9,360.46/14,028.90 = 8,187.67/x
  3. Step 3: Cross multiply
    9,360.46x = 14,028.90 × 8,187.67
  4. Step 4: Simplify right side
    9,360.46x = 114,864,003.66
  5. Step 5: Solve for x
    x = 114,864,003.66/9,360.46
  6. Step 6: Final answer
    x = 12,271.19

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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.