Home / 9,087.56-12,540.86-5,054.43

Finding the Fourth Proportional to 9,087.56, 12,540.86 and 5,054.43

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Solution

The fourth proportional to 9,087.56, 12,540.86 and 5,054.43 is: 6,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.56 : 12,540.86 = 5,054.43 : x
  2. Step 2: Convert to fraction form
    9,087.56/12,540.86 = 5,054.43/x
  3. Step 3: Cross multiply
    9,087.56x = 12,540.86 × 5,054.43
  4. Step 4: Simplify right side
    9,087.56x = 63,386,873.74
  5. Step 5: Solve for x
    x = 63,386,873.74/9,087.56
  6. Step 6: Final answer
    x = 6,975.13

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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.