Home / 7,435.35-11,150.45-2,991.69

Finding the Fourth Proportional to 7,435.35, 11,150.45 and 2,991.69

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Solution

The fourth proportional to 7,435.35, 11,150.45 and 2,991.69 is: 4,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.35 : 11,150.45 = 2,991.69 : x
  2. Step 2: Convert to fraction form
    7,435.35/11,150.45 = 2,991.69/x
  3. Step 3: Cross multiply
    7,435.35x = 11,150.45 × 2,991.69
  4. Step 4: Simplify right side
    7,435.35x = 33,358,727.84
  5. Step 5: Solve for x
    x = 33,358,727.84/7,435.35
  6. Step 6: Final answer
    x = 4,486.50

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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.