Home / 7,578.06-10,458.54-4,436.88

Finding the Fourth Proportional to 7,578.06, 10,458.54 and 4,436.88

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Solution

The fourth proportional to 7,578.06, 10,458.54 and 4,436.88 is: 6,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.06 : 10,458.54 = 4,436.88 : x
  2. Step 2: Convert to fraction form
    7,578.06/10,458.54 = 4,436.88/x
  3. Step 3: Cross multiply
    7,578.06x = 10,458.54 × 4,436.88
  4. Step 4: Simplify right side
    7,578.06x = 46,403,286.96
  5. Step 5: Solve for x
    x = 46,403,286.96/7,578.06
  6. Step 6: Final answer
    x = 6,123.37

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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.