Home / 7,787.46-11,676.70-5,325.26

Finding the Fourth Proportional to 7,787.46, 11,676.70 and 5,325.26

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Solution

The fourth proportional to 7,787.46, 11,676.70 and 5,325.26 is: 7,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.46 : 11,676.70 = 5,325.26 : x
  2. Step 2: Convert to fraction form
    7,787.46/11,676.70 = 5,325.26/x
  3. Step 3: Cross multiply
    7,787.46x = 11,676.70 × 5,325.26
  4. Step 4: Simplify right side
    7,787.46x = 62,181,450.13
  5. Step 5: Solve for x
    x = 62,181,450.13/7,787.46
  6. Step 6: Final answer
    x = 7,984.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.