Home / 6,784.14-10,176.20-1,854.51

Finding the Fourth Proportional to 6,784.14, 10,176.20 and 1,854.51

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Solution

The fourth proportional to 6,784.14, 10,176.20 and 1,854.51 is: 2,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.14 : 10,176.20 = 1,854.51 : x
  2. Step 2: Convert to fraction form
    6,784.14/10,176.20 = 1,854.51/x
  3. Step 3: Cross multiply
    6,784.14x = 10,176.20 × 1,854.51
  4. Step 4: Simplify right side
    6,784.14x = 18,871,855.39
  5. Step 5: Solve for x
    x = 18,871,855.39/6,784.14
  6. Step 6: Final answer
    x = 2,781.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.