Home / 9,725.12-13,431.84-7,084.32

Finding the Fourth Proportional to 9,725.12, 13,431.84 and 7,084.32

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Solution

The fourth proportional to 9,725.12, 13,431.84 and 7,084.32 is: 9,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.12 : 13,431.84 = 7,084.32 : x
  2. Step 2: Convert to fraction form
    9,725.12/13,431.84 = 7,084.32/x
  3. Step 3: Cross multiply
    9,725.12x = 13,431.84 × 7,084.32
  4. Step 4: Simplify right side
    9,725.12x = 95,155,452.75
  5. Step 5: Solve for x
    x = 95,155,452.75/9,725.12
  6. Step 6: Final answer
    x = 9,784.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.