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Finding the Fourth Proportional to 9,362.79, 12,933.95 and 7,486.83

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Solution

The fourth proportional to 9,362.79, 12,933.95 and 7,486.83 is: 10,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.79 : 12,933.95 = 7,486.83 : x
  2. Step 2: Convert to fraction form
    9,362.79/12,933.95 = 7,486.83/x
  3. Step 3: Cross multiply
    9,362.79x = 12,933.95 × 7,486.83
  4. Step 4: Simplify right side
    9,362.79x = 96,834,247.44
  5. Step 5: Solve for x
    x = 96,834,247.44/9,362.79
  6. Step 6: Final answer
    x = 10,342.46

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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.