Home / 7,509.07-10,361.72-4,151.34

Finding the Fourth Proportional to 7,509.07, 10,361.72 and 4,151.34

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Solution

The fourth proportional to 7,509.07, 10,361.72 and 4,151.34 is: 5,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.07 : 10,361.72 = 4,151.34 : x
  2. Step 2: Convert to fraction form
    7,509.07/10,361.72 = 4,151.34/x
  3. Step 3: Cross multiply
    7,509.07x = 10,361.72 × 4,151.34
  4. Step 4: Simplify right side
    7,509.07x = 43,015,022.70
  5. Step 5: Solve for x
    x = 43,015,022.70/7,509.07
  6. Step 6: Final answer
    x = 5,728.41

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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.