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Finding the Fourth Proportional to 9,417.63, 12,998.13 and 6,230.99

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Solution

The fourth proportional to 9,417.63, 12,998.13 and 6,230.99 is: 8,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.63 : 12,998.13 = 6,230.99 : x
  2. Step 2: Convert to fraction form
    9,417.63/12,998.13 = 6,230.99/x
  3. Step 3: Cross multiply
    9,417.63x = 12,998.13 × 6,230.99
  4. Step 4: Simplify right side
    9,417.63x = 80,991,227.18
  5. Step 5: Solve for x
    x = 80,991,227.18/9,417.63
  6. Step 6: Final answer
    x = 8,599.96

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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.