Home / 9,772.21-13,485.57-5,296.01

Finding the Fourth Proportional to 9,772.21, 13,485.57 and 5,296.01

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Solution

The fourth proportional to 9,772.21, 13,485.57 and 5,296.01 is: 7,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.21 : 13,485.57 = 5,296.01 : x
  2. Step 2: Convert to fraction form
    9,772.21/13,485.57 = 5,296.01/x
  3. Step 3: Cross multiply
    9,772.21x = 13,485.57 × 5,296.01
  4. Step 4: Simplify right side
    9,772.21x = 71,419,713.58
  5. Step 5: Solve for x
    x = 71,419,713.58/9,772.21
  6. Step 6: Final answer
    x = 7,308.45

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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.