Home / 30,853.62-46,280.70-7,480.26

Finding the Fourth Proportional to 30,853.62, 46,280.70 and 7,480.26

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Solution

The fourth proportional to 30,853.62, 46,280.70 and 7,480.26 is: 11,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.62 : 46,280.70 = 7,480.26 : x
  2. Step 2: Convert to fraction form
    30,853.62/46,280.70 = 7,480.26/x
  3. Step 3: Cross multiply
    30,853.62x = 46,280.70 × 7,480.26
  4. Step 4: Simplify right side
    30,853.62x = 346,191,668.98
  5. Step 5: Solve for x
    x = 346,191,668.98/30,853.62
  6. Step 6: Final answer
    x = 11,220.46

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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.