Home / 8,167.58-11,271.26-4,630.79

Finding the Fourth Proportional to 8,167.58, 11,271.26 and 4,630.79

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Solution

The fourth proportional to 8,167.58, 11,271.26 and 4,630.79 is: 6,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.58 : 11,271.26 = 4,630.79 : x
  2. Step 2: Convert to fraction form
    8,167.58/11,271.26 = 4,630.79/x
  3. Step 3: Cross multiply
    8,167.58x = 11,271.26 × 4,630.79
  4. Step 4: Simplify right side
    8,167.58x = 52,194,838.10
  5. Step 5: Solve for x
    x = 52,194,838.10/8,167.58
  6. Step 6: Final answer
    x = 6,390.49

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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.