Home / 12,680.48-19,024.80-6,107.12

Finding the Fourth Proportional to 12,680.48, 19,024.80 and 6,107.12

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Solution

The fourth proportional to 12,680.48, 19,024.80 and 6,107.12 is: 9,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.48 : 19,024.80 = 6,107.12 : x
  2. Step 2: Convert to fraction form
    12,680.48/19,024.80 = 6,107.12/x
  3. Step 3: Cross multiply
    12,680.48x = 19,024.80 × 6,107.12
  4. Step 4: Simplify right side
    12,680.48x = 116,186,736.58
  5. Step 5: Solve for x
    x = 116,186,736.58/12,680.48
  6. Step 6: Final answer
    x = 9,162.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.