Home / 9,860.05-13,609.07-6,274.32

Finding the Fourth Proportional to 9,860.05, 13,609.07 and 6,274.32

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Solution

The fourth proportional to 9,860.05, 13,609.07 and 6,274.32 is: 8,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.05 : 13,609.07 = 6,274.32 : x
  2. Step 2: Convert to fraction form
    9,860.05/13,609.07 = 6,274.32/x
  3. Step 3: Cross multiply
    9,860.05x = 13,609.07 × 6,274.32
  4. Step 4: Simplify right side
    9,860.05x = 85,387,660.08
  5. Step 5: Solve for x
    x = 85,387,660.08/9,860.05
  6. Step 6: Final answer
    x = 8,659.96

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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.