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Finding the Fourth Proportional to 9,283.99, 12,811.73 and 5,250.74

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Solution

The fourth proportional to 9,283.99, 12,811.73 and 5,250.74 is: 7,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.99 : 12,811.73 = 5,250.74 : x
  2. Step 2: Convert to fraction form
    9,283.99/12,811.73 = 5,250.74/x
  3. Step 3: Cross multiply
    9,283.99x = 12,811.73 × 5,250.74
  4. Step 4: Simplify right side
    9,283.99x = 67,271,068.96
  5. Step 5: Solve for x
    x = 67,271,068.96/9,283.99
  6. Step 6: Final answer
    x = 7,245.92

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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.