Home / 9,986.93-13,777.59-6,579.54

Finding the Fourth Proportional to 9,986.93, 13,777.59 and 6,579.54

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Solution

The fourth proportional to 9,986.93, 13,777.59 and 6,579.54 is: 9,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.93 : 13,777.59 = 6,579.54 : x
  2. Step 2: Convert to fraction form
    9,986.93/13,777.59 = 6,579.54/x
  3. Step 3: Cross multiply
    9,986.93x = 13,777.59 × 6,579.54
  4. Step 4: Simplify right side
    9,986.93x = 90,650,204.51
  5. Step 5: Solve for x
    x = 90,650,204.51/9,986.93
  6. Step 6: Final answer
    x = 9,076.88

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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.