Home / 30,857.36-46,286.20-7,483.84

Finding the Fourth Proportional to 30,857.36, 46,286.20 and 7,483.84

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Solution

The fourth proportional to 30,857.36, 46,286.20 and 7,483.84 is: 11,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.36 : 46,286.20 = 7,483.84 : x
  2. Step 2: Convert to fraction form
    30,857.36/46,286.20 = 7,483.84/x
  3. Step 3: Cross multiply
    30,857.36x = 46,286.20 × 7,483.84
  4. Step 4: Simplify right side
    30,857.36x = 346,398,515.01
  5. Step 5: Solve for x
    x = 346,398,515.01/30,857.36
  6. Step 6: Final answer
    x = 11,225.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.