Home / 7,833.80-10,811.12-5,176.59

Finding the Fourth Proportional to 7,833.80, 10,811.12 and 5,176.59

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Solution

The fourth proportional to 7,833.80, 10,811.12 and 5,176.59 is: 7,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.80 : 10,811.12 = 5,176.59 : x
  2. Step 2: Convert to fraction form
    7,833.80/10,811.12 = 5,176.59/x
  3. Step 3: Cross multiply
    7,833.80x = 10,811.12 × 5,176.59
  4. Step 4: Simplify right side
    7,833.80x = 55,964,709.80
  5. Step 5: Solve for x
    x = 55,964,709.80/7,833.80
  6. Step 6: Final answer
    x = 7,144.01

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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.