Home / 12,042.51-16,619.76-6,739.04

Finding the Fourth Proportional to 12,042.51, 16,619.76 and 6,739.04

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Solution

The fourth proportional to 12,042.51, 16,619.76 and 6,739.04 is: 9,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.51 : 16,619.76 = 6,739.04 : x
  2. Step 2: Convert to fraction form
    12,042.51/16,619.76 = 6,739.04/x
  3. Step 3: Cross multiply
    12,042.51x = 16,619.76 × 6,739.04
  4. Step 4: Simplify right side
    12,042.51x = 112,001,144.33
  5. Step 5: Solve for x
    x = 112,001,144.33/12,042.51
  6. Step 6: Final answer
    x = 9,300.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.