Home / 7,087.06-9,781.14-4,292.56

Finding the Fourth Proportional to 7,087.06, 9,781.14 and 4,292.56

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Solution

The fourth proportional to 7,087.06, 9,781.14 and 4,292.56 is: 5,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.06 : 9,781.14 = 4,292.56 : x
  2. Step 2: Convert to fraction form
    7,087.06/9,781.14 = 4,292.56/x
  3. Step 3: Cross multiply
    7,087.06x = 9,781.14 × 4,292.56
  4. Step 4: Simplify right side
    7,087.06x = 41,986,130.32
  5. Step 5: Solve for x
    x = 41,986,130.32/7,087.06
  6. Step 6: Final answer
    x = 5,924.34

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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.