Home / 7,455.34-11,190.30-4,539.34

Finding the Fourth Proportional to 7,455.34, 11,190.30 and 4,539.34

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Solution

The fourth proportional to 7,455.34, 11,190.30 and 4,539.34 is: 6,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.34 : 11,190.30 = 4,539.34 : x
  2. Step 2: Convert to fraction form
    7,455.34/11,190.30 = 4,539.34/x
  3. Step 3: Cross multiply
    7,455.34x = 11,190.30 × 4,539.34
  4. Step 4: Simplify right side
    7,455.34x = 50,796,576.40
  5. Step 5: Solve for x
    x = 50,796,576.40/7,455.34
  6. Step 6: Final answer
    x = 6,813.45

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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.