Home / 9,917.07-13,674.87-7,531.44

Finding the Fourth Proportional to 9,917.07, 13,674.87 and 7,531.44

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Solution

The fourth proportional to 9,917.07, 13,674.87 and 7,531.44 is: 10,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.07 : 13,674.87 = 7,531.44 : x
  2. Step 2: Convert to fraction form
    9,917.07/13,674.87 = 7,531.44/x
  3. Step 3: Cross multiply
    9,917.07x = 13,674.87 × 7,531.44
  4. Step 4: Simplify right side
    9,917.07x = 102,991,462.91
  5. Step 5: Solve for x
    x = 102,991,462.91/9,917.07
  6. Step 6: Final answer
    x = 10,385.27

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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.