Home / 12,130.84-18,195.40-4,733.92

Finding the Fourth Proportional to 12,130.84, 18,195.40 and 4,733.92

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Solution

The fourth proportional to 12,130.84, 18,195.40 and 4,733.92 is: 7,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.84 : 18,195.40 = 4,733.92 : x
  2. Step 2: Convert to fraction form
    12,130.84/18,195.40 = 4,733.92/x
  3. Step 3: Cross multiply
    12,130.84x = 18,195.40 × 4,733.92
  4. Step 4: Simplify right side
    12,130.84x = 86,135,567.97
  5. Step 5: Solve for x
    x = 86,135,567.97/12,130.84
  6. Step 6: Final answer
    x = 7,100.54

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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.