Home / 12,267.04-16,928.31-7,231.45

Finding the Fourth Proportional to 12,267.04, 16,928.31 and 7,231.45

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Solution

The fourth proportional to 12,267.04, 16,928.31 and 7,231.45 is: 9,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.04 : 16,928.31 = 7,231.45 : x
  2. Step 2: Convert to fraction form
    12,267.04/16,928.31 = 7,231.45/x
  3. Step 3: Cross multiply
    12,267.04x = 16,928.31 × 7,231.45
  4. Step 4: Simplify right side
    12,267.04x = 122,416,227.35
  5. Step 5: Solve for x
    x = 122,416,227.35/12,267.04
  6. Step 6: Final answer
    x = 9,979.28

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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.