Home / 8,458.48-11,672.73-4,630.12

Finding the Fourth Proportional to 8,458.48, 11,672.73 and 4,630.12

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Solution

The fourth proportional to 8,458.48, 11,672.73 and 4,630.12 is: 6,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.48 : 11,672.73 = 4,630.12 : x
  2. Step 2: Convert to fraction form
    8,458.48/11,672.73 = 4,630.12/x
  3. Step 3: Cross multiply
    8,458.48x = 11,672.73 × 4,630.12
  4. Step 4: Simplify right side
    8,458.48x = 54,046,140.63
  5. Step 5: Solve for x
    x = 54,046,140.63/8,458.48
  6. Step 6: Final answer
    x = 6,389.58

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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.