Home / 9,283.73-12,817.40-6,450.21

Finding the Fourth Proportional to 9,283.73, 12,817.40 and 6,450.21

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Solution

The fourth proportional to 9,283.73, 12,817.40 and 6,450.21 is: 8,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.73 : 12,817.40 = 6,450.21 : x
  2. Step 2: Convert to fraction form
    9,283.73/12,817.40 = 6,450.21/x
  3. Step 3: Cross multiply
    9,283.73x = 12,817.40 × 6,450.21
  4. Step 4: Simplify right side
    9,283.73x = 82,674,889.40
  5. Step 5: Solve for x
    x = 82,674,889.40/9,283.73
  6. Step 6: Final answer
    x = 8,905.36

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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.