Home / 7,440.67-10,268.60-5,424.58

Finding the Fourth Proportional to 7,440.67, 10,268.60 and 5,424.58

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Solution

The fourth proportional to 7,440.67, 10,268.60 and 5,424.58 is: 7,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.67 : 10,268.60 = 5,424.58 : x
  2. Step 2: Convert to fraction form
    7,440.67/10,268.60 = 5,424.58/x
  3. Step 3: Cross multiply
    7,440.67x = 10,268.60 × 5,424.58
  4. Step 4: Simplify right side
    7,440.67x = 55,702,789.39
  5. Step 5: Solve for x
    x = 55,702,789.39/7,440.67
  6. Step 6: Final answer
    x = 7,486.26

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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.