Home / 9,266.75-12,787.50-5,729.28

Finding the Fourth Proportional to 9,266.75, 12,787.50 and 5,729.28

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Solution

The fourth proportional to 9,266.75, 12,787.50 and 5,729.28 is: 7,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.75 : 12,787.50 = 5,729.28 : x
  2. Step 2: Convert to fraction form
    9,266.75/12,787.50 = 5,729.28/x
  3. Step 3: Cross multiply
    9,266.75x = 12,787.50 × 5,729.28
  4. Step 4: Simplify right side
    9,266.75x = 73,263,213.46
  5. Step 5: Solve for x
    x = 73,263,213.46/9,266.75
  6. Step 6: Final answer
    x = 7,906.03

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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.