Home / 8,168.48-11,272.74-4,631.58

Finding the Fourth Proportional to 8,168.48, 11,272.74 and 4,631.58

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Solution

The fourth proportional to 8,168.48, 11,272.74 and 4,631.58 is: 6,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.48 : 11,272.74 = 4,631.58 : x
  2. Step 2: Convert to fraction form
    8,168.48/11,272.74 = 4,631.58/x
  3. Step 3: Cross multiply
    8,168.48x = 11,272.74 × 4,631.58
  4. Step 4: Simplify right side
    8,168.48x = 52,210,597.13
  5. Step 5: Solve for x
    x = 52,210,597.13/8,168.48
  6. Step 6: Final answer
    x = 6,391.72

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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.