Home / 9,623.26-13,279.19-5,643.60

Finding the Fourth Proportional to 9,623.26, 13,279.19 and 5,643.60

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Solution

The fourth proportional to 9,623.26, 13,279.19 and 5,643.60 is: 7,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.26 : 13,279.19 = 5,643.60 : x
  2. Step 2: Convert to fraction form
    9,623.26/13,279.19 = 5,643.60/x
  3. Step 3: Cross multiply
    9,623.26x = 13,279.19 × 5,643.60
  4. Step 4: Simplify right side
    9,623.26x = 74,942,427.76
  5. Step 5: Solve for x
    x = 74,942,427.76/9,623.26
  6. Step 6: Final answer
    x = 7,787.64

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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.