Home / 10,975.06-15,135.53-7,334.75

Finding the Fourth Proportional to 10,975.06, 15,135.53 and 7,334.75

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Solution

The fourth proportional to 10,975.06, 15,135.53 and 7,334.75 is: 10,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.06 : 15,135.53 = 7,334.75 : x
  2. Step 2: Convert to fraction form
    10,975.06/15,135.53 = 7,334.75/x
  3. Step 3: Cross multiply
    10,975.06x = 15,135.53 × 7,334.75
  4. Step 4: Simplify right side
    10,975.06x = 111,015,329.83
  5. Step 5: Solve for x
    x = 111,015,329.83/10,975.06
  6. Step 6: Final answer
    x = 10,115.24

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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.