Home / 9,629.22-13,288.32-5,437.38

Finding the Fourth Proportional to 9,629.22, 13,288.32 and 5,437.38

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Solution

The fourth proportional to 9,629.22, 13,288.32 and 5,437.38 is: 7,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.22 : 13,288.32 = 5,437.38 : x
  2. Step 2: Convert to fraction form
    9,629.22/13,288.32 = 5,437.38/x
  3. Step 3: Cross multiply
    9,629.22x = 13,288.32 × 5,437.38
  4. Step 4: Simplify right side
    9,629.22x = 72,253,645.40
  5. Step 5: Solve for x
    x = 72,253,645.40/9,629.22
  6. Step 6: Final answer
    x = 7,503.58

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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.