Home / 8,283.57-11,431.33-4,507.04

Finding the Fourth Proportional to 8,283.57, 11,431.33 and 4,507.04

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Solution

The fourth proportional to 8,283.57, 11,431.33 and 4,507.04 is: 6,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.57 : 11,431.33 = 4,507.04 : x
  2. Step 2: Convert to fraction form
    8,283.57/11,431.33 = 4,507.04/x
  3. Step 3: Cross multiply
    8,283.57x = 11,431.33 × 4,507.04
  4. Step 4: Simplify right side
    8,283.57x = 51,521,478.87
  5. Step 5: Solve for x
    x = 51,521,478.87/8,283.57
  6. Step 6: Final answer
    x = 6,219.72

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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.