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Finding the Fourth Proportional to 9,385.99, 14,095.08 and 8,334.18

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Solution

The fourth proportional to 9,385.99, 14,095.08 and 8,334.18 is: 12,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.99 : 14,095.08 = 8,334.18 : x
  2. Step 2: Convert to fraction form
    9,385.99/14,095.08 = 8,334.18/x
  3. Step 3: Cross multiply
    9,385.99x = 14,095.08 × 8,334.18
  4. Step 4: Simplify right side
    9,385.99x = 117,470,933.83
  5. Step 5: Solve for x
    x = 117,470,933.83/9,385.99
  6. Step 6: Final answer
    x = 12,515.56

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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.