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Finding the Fourth Proportional to 9,367.76, 12,937.94 and 7,268.67

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Solution

The fourth proportional to 9,367.76, 12,937.94 and 7,268.67 is: 10,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.76 : 12,937.94 = 7,268.67 : x
  2. Step 2: Convert to fraction form
    9,367.76/12,937.94 = 7,268.67/x
  3. Step 3: Cross multiply
    9,367.76x = 12,937.94 × 7,268.67
  4. Step 4: Simplify right side
    9,367.76x = 94,041,616.34
  5. Step 5: Solve for x
    x = 94,041,616.34/9,367.76
  6. Step 6: Final answer
    x = 10,038.86

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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.