Home / 8,434.26-11,628.36-5,776.92

Finding the Fourth Proportional to 8,434.26, 11,628.36 and 5,776.92

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Solution

The fourth proportional to 8,434.26, 11,628.36 and 5,776.92 is: 7,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.26 : 11,628.36 = 5,776.92 : x
  2. Step 2: Convert to fraction form
    8,434.26/11,628.36 = 5,776.92/x
  3. Step 3: Cross multiply
    8,434.26x = 11,628.36 × 5,776.92
  4. Step 4: Simplify right side
    8,434.26x = 67,176,105.45
  5. Step 5: Solve for x
    x = 67,176,105.45/8,434.26
  6. Step 6: Final answer
    x = 7,964.67

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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.