Home / 12,300.48-16,974.96-6,995.88

Finding the Fourth Proportional to 12,300.48, 16,974.96 and 6,995.88

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Solution

The fourth proportional to 12,300.48, 16,974.96 and 6,995.88 is: 9,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.48 : 16,974.96 = 6,995.88 : x
  2. Step 2: Convert to fraction form
    12,300.48/16,974.96 = 6,995.88/x
  3. Step 3: Cross multiply
    12,300.48x = 16,974.96 × 6,995.88
  4. Step 4: Simplify right side
    12,300.48x = 118,754,783.16
  5. Step 5: Solve for x
    x = 118,754,783.16/12,300.48
  6. Step 6: Final answer
    x = 9,654.48

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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.