Home / 9,772.20-13,485.62-5,296.07

Finding the Fourth Proportional to 9,772.20, 13,485.62 and 5,296.07

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Solution

The fourth proportional to 9,772.20, 13,485.62 and 5,296.07 is: 7,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.20 : 13,485.62 = 5,296.07 : x
  2. Step 2: Convert to fraction form
    9,772.20/13,485.62 = 5,296.07/x
  3. Step 3: Cross multiply
    9,772.20x = 13,485.62 × 5,296.07
  4. Step 4: Simplify right side
    9,772.20x = 71,420,834.47
  5. Step 5: Solve for x
    x = 71,420,834.47/9,772.20
  6. Step 6: Final answer
    x = 7,308.57

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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.