Home / 7,354.60-11,015.70-6,533.80

Finding the Fourth Proportional to 7,354.60, 11,015.70 and 6,533.80

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Solution

The fourth proportional to 7,354.60, 11,015.70 and 6,533.80 is: 9,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.60 : 11,015.70 = 6,533.80 : x
  2. Step 2: Convert to fraction form
    7,354.60/11,015.70 = 6,533.80/x
  3. Step 3: Cross multiply
    7,354.60x = 11,015.70 × 6,533.80
  4. Step 4: Simplify right side
    7,354.60x = 71,974,380.66
  5. Step 5: Solve for x
    x = 71,974,380.66/7,354.60
  6. Step 6: Final answer
    x = 9,786.31

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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.