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Finding the Fourth Proportional to 9,362.88, 12,898.19 and 8,014.19

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Solution

The fourth proportional to 9,362.88, 12,898.19 and 8,014.19 is: 11,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.88 : 12,898.19 = 8,014.19 : x
  2. Step 2: Convert to fraction form
    9,362.88/12,898.19 = 8,014.19/x
  3. Step 3: Cross multiply
    9,362.88x = 12,898.19 × 8,014.19
  4. Step 4: Simplify right side
    9,362.88x = 103,368,500.86
  5. Step 5: Solve for x
    x = 103,368,500.86/9,362.88
  6. Step 6: Final answer
    x = 11,040.25

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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.