Home / 9,772.31-13,485.75-5,296.17

Finding the Fourth Proportional to 9,772.31, 13,485.75 and 5,296.17

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Solution

The fourth proportional to 9,772.31, 13,485.75 and 5,296.17 is: 7,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.31 : 13,485.75 = 5,296.17 : x
  2. Step 2: Convert to fraction form
    9,772.31/13,485.75 = 5,296.17/x
  3. Step 3: Cross multiply
    9,772.31x = 13,485.75 × 5,296.17
  4. Step 4: Simplify right side
    9,772.31x = 71,422,824.58
  5. Step 5: Solve for x
    x = 71,422,824.58/9,772.31
  6. Step 6: Final answer
    x = 7,308.70

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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.