Home / 8,674.23-11,969.16-5,087.84

Finding the Fourth Proportional to 8,674.23, 11,969.16 and 5,087.84

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Solution

The fourth proportional to 8,674.23, 11,969.16 and 5,087.84 is: 7,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.23 : 11,969.16 = 5,087.84 : x
  2. Step 2: Convert to fraction form
    8,674.23/11,969.16 = 5,087.84/x
  3. Step 3: Cross multiply
    8,674.23x = 11,969.16 × 5,087.84
  4. Step 4: Simplify right side
    8,674.23x = 60,897,111.17
  5. Step 5: Solve for x
    x = 60,897,111.17/8,674.23
  6. Step 6: Final answer
    x = 7,020.46

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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.