Home / 30,853.63-46,280.43-7,480.06

Finding the Fourth Proportional to 30,853.63, 46,280.43 and 7,480.06

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Solution

The fourth proportional to 30,853.63, 46,280.43 and 7,480.06 is: 11,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.63 : 46,280.43 = 7,480.06 : x
  2. Step 2: Convert to fraction form
    30,853.63/46,280.43 = 7,480.06/x
  3. Step 3: Cross multiply
    30,853.63x = 46,280.43 × 7,480.06
  4. Step 4: Simplify right side
    30,853.63x = 346,180,393.23
  5. Step 5: Solve for x
    x = 346,180,393.23/30,853.63
  6. Step 6: Final answer
    x = 11,220.09

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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.