Home / 9,908.08-13,673.12-5,431.68

Finding the Fourth Proportional to 9,908.08, 13,673.12 and 5,431.68

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Solution

The fourth proportional to 9,908.08, 13,673.12 and 5,431.68 is: 7,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.08 : 13,673.12 = 5,431.68 : x
  2. Step 2: Convert to fraction form
    9,908.08/13,673.12 = 5,431.68/x
  3. Step 3: Cross multiply
    9,908.08x = 13,673.12 × 5,431.68
  4. Step 4: Simplify right side
    9,908.08x = 74,268,012.44
  5. Step 5: Solve for x
    x = 74,268,012.44/9,908.08
  6. Step 6: Final answer
    x = 7,495.70

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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.