Home / 7,917.07-10,975.52-7,495.74

Finding the Fourth Proportional to 7,917.07, 10,975.52 and 7,495.74

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Solution

The fourth proportional to 7,917.07, 10,975.52 and 7,495.74 is: 10,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.07 : 10,975.52 = 7,495.74 : x
  2. Step 2: Convert to fraction form
    7,917.07/10,975.52 = 7,495.74/x
  3. Step 3: Cross multiply
    7,917.07x = 10,975.52 × 7,495.74
  4. Step 4: Simplify right side
    7,917.07x = 82,269,644.28
  5. Step 5: Solve for x
    x = 82,269,644.28/7,917.07
  6. Step 6: Final answer
    x = 10,391.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.