Home / 9,538.67-13,168.31-7,409.43

Finding the Fourth Proportional to 9,538.67, 13,168.31 and 7,409.43

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Solution

The fourth proportional to 9,538.67, 13,168.31 and 7,409.43 is: 10,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.67 : 13,168.31 = 7,409.43 : x
  2. Step 2: Convert to fraction form
    9,538.67/13,168.31 = 7,409.43/x
  3. Step 3: Cross multiply
    9,538.67x = 13,168.31 × 7,409.43
  4. Step 4: Simplify right side
    9,538.67x = 97,569,634.12
  5. Step 5: Solve for x
    x = 97,569,634.12/9,538.67
  6. Step 6: Final answer
    x = 10,228.86

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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.