Home / 8,168.34-11,271.66-4,632.12

Finding the Fourth Proportional to 8,168.34, 11,271.66 and 4,632.12

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Solution

The fourth proportional to 8,168.34, 11,271.66 and 4,632.12 is: 6,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.34 : 11,271.66 = 4,632.12 : x
  2. Step 2: Convert to fraction form
    8,168.34/11,271.66 = 4,632.12/x
  3. Step 3: Cross multiply
    8,168.34x = 11,271.66 × 4,632.12
  4. Step 4: Simplify right side
    8,168.34x = 52,211,681.72
  5. Step 5: Solve for x
    x = 52,211,681.72/8,168.34
  6. Step 6: Final answer
    x = 6,391.96

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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.