Home / 9,164.48-12,647.12-4,972.73

Finding the Fourth Proportional to 9,164.48, 12,647.12 and 4,972.73

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Solution

The fourth proportional to 9,164.48, 12,647.12 and 4,972.73 is: 6,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.48 : 12,647.12 = 4,972.73 : x
  2. Step 2: Convert to fraction form
    9,164.48/12,647.12 = 4,972.73/x
  3. Step 3: Cross multiply
    9,164.48x = 12,647.12 × 4,972.73
  4. Step 4: Simplify right side
    9,164.48x = 62,890,662.23
  5. Step 5: Solve for x
    x = 62,890,662.23/9,164.48
  6. Step 6: Final answer
    x = 6,862.44

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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.