Home / 7,578.36-10,458.18-4,436.10

Finding the Fourth Proportional to 7,578.36, 10,458.18 and 4,436.10

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Solution

The fourth proportional to 7,578.36, 10,458.18 and 4,436.10 is: 6,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.36 : 10,458.18 = 4,436.10 : x
  2. Step 2: Convert to fraction form
    7,578.36/10,458.18 = 4,436.10/x
  3. Step 3: Cross multiply
    7,578.36x = 10,458.18 × 4,436.10
  4. Step 4: Simplify right side
    7,578.36x = 46,393,532.30
  5. Step 5: Solve for x
    x = 46,393,532.30/7,578.36
  6. Step 6: Final answer
    x = 6,121.84

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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.