Home / 9,151.82-12,629.48-4,960.08

Finding the Fourth Proportional to 9,151.82, 12,629.48 and 4,960.08

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Solution

The fourth proportional to 9,151.82, 12,629.48 and 4,960.08 is: 6,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.82 : 12,629.48 = 4,960.08 : x
  2. Step 2: Convert to fraction form
    9,151.82/12,629.48 = 4,960.08/x
  3. Step 3: Cross multiply
    9,151.82x = 12,629.48 × 4,960.08
  4. Step 4: Simplify right side
    9,151.82x = 62,643,231.16
  5. Step 5: Solve for x
    x = 62,643,231.16/9,151.82
  6. Step 6: Final answer
    x = 6,844.89

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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.