Home / 9,907.26-13,672.04-5,431.18

Finding the Fourth Proportional to 9,907.26, 13,672.04 and 5,431.18

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Solution

The fourth proportional to 9,907.26, 13,672.04 and 5,431.18 is: 7,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.26 : 13,672.04 = 5,431.18 : x
  2. Step 2: Convert to fraction form
    9,907.26/13,672.04 = 5,431.18/x
  3. Step 3: Cross multiply
    9,907.26x = 13,672.04 × 5,431.18
  4. Step 4: Simplify right side
    9,907.26x = 74,255,310.21
  5. Step 5: Solve for x
    x = 74,255,310.21/9,907.26
  6. Step 6: Final answer
    x = 7,495.04

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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.