Home / 7,833.99-10,811.40-5,176.74

Finding the Fourth Proportional to 7,833.99, 10,811.40 and 5,176.74

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Solution

The fourth proportional to 7,833.99, 10,811.40 and 5,176.74 is: 7,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.99 : 10,811.40 = 5,176.74 : x
  2. Step 2: Convert to fraction form
    7,833.99/10,811.40 = 5,176.74/x
  3. Step 3: Cross multiply
    7,833.99x = 10,811.40 × 5,176.74
  4. Step 4: Simplify right side
    7,833.99x = 55,967,806.84
  5. Step 5: Solve for x
    x = 55,967,806.84/7,833.99
  6. Step 6: Final answer
    x = 7,144.23

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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.