Home / 10,087.88-13,922.16-6,897.56

Finding the Fourth Proportional to 10,087.88, 13,922.16 and 6,897.56

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Solution

The fourth proportional to 10,087.88, 13,922.16 and 6,897.56 is: 9,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.88 : 13,922.16 = 6,897.56 : x
  2. Step 2: Convert to fraction form
    10,087.88/13,922.16 = 6,897.56/x
  3. Step 3: Cross multiply
    10,087.88x = 13,922.16 × 6,897.56
  4. Step 4: Simplify right side
    10,087.88x = 96,028,933.93
  5. Step 5: Solve for x
    x = 96,028,933.93/10,087.88
  6. Step 6: Final answer
    x = 9,519.24

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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.