Home / 9,296.80-13,940.72-5,402.32

Finding the Fourth Proportional to 9,296.80, 13,940.72 and 5,402.32

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Solution

The fourth proportional to 9,296.80, 13,940.72 and 5,402.32 is: 8,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296.80 : 13,940.72 = 5,402.32 : x
  2. Step 2: Convert to fraction form
    9,296.80/13,940.72 = 5,402.32/x
  3. Step 3: Cross multiply
    9,296.80x = 13,940.72 × 5,402.32
  4. Step 4: Simplify right side
    9,296.80x = 75,312,230.47
  5. Step 5: Solve for x
    x = 75,312,230.47/9,296.80
  6. Step 6: Final answer
    x = 8,100.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.