Home / 7,505.48-10,361.75-4,991.04

Finding the Fourth Proportional to 7,505.48, 10,361.75 and 4,991.04

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Solution

The fourth proportional to 7,505.48, 10,361.75 and 4,991.04 is: 6,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.48 : 10,361.75 = 4,991.04 : x
  2. Step 2: Convert to fraction form
    7,505.48/10,361.75 = 4,991.04/x
  3. Step 3: Cross multiply
    7,505.48x = 10,361.75 × 4,991.04
  4. Step 4: Simplify right side
    7,505.48x = 51,715,883.76
  5. Step 5: Solve for x
    x = 51,715,883.76/7,505.48
  6. Step 6: Final answer
    x = 6,890.42

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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.