Home / 8,429.97-11,633.34-4,653.39

Finding the Fourth Proportional to 8,429.97, 11,633.34 and 4,653.39

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Solution

The fourth proportional to 8,429.97, 11,633.34 and 4,653.39 is: 6,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.97 : 11,633.34 = 4,653.39 : x
  2. Step 2: Convert to fraction form
    8,429.97/11,633.34 = 4,653.39/x
  3. Step 3: Cross multiply
    8,429.97x = 11,633.34 × 4,653.39
  4. Step 4: Simplify right side
    8,429.97x = 54,134,468.02
  5. Step 5: Solve for x
    x = 54,134,468.02/8,429.97
  6. Step 6: Final answer
    x = 6,421.67

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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.