Home / 12,673.80-19,010.70-6,105.51

Finding the Fourth Proportional to 12,673.80, 19,010.70 and 6,105.51

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Solution

The fourth proportional to 12,673.80, 19,010.70 and 6,105.51 is: 9,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.80 : 19,010.70 = 6,105.51 : x
  2. Step 2: Convert to fraction form
    12,673.80/19,010.70 = 6,105.51/x
  3. Step 3: Cross multiply
    12,673.80x = 19,010.70 × 6,105.51
  4. Step 4: Simplify right side
    12,673.80x = 116,070,018.96
  5. Step 5: Solve for x
    x = 116,070,018.96/12,673.80
  6. Step 6: Final answer
    x = 9,158.27

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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.