Home / 12,456.04-18,684.42-4,663.36

Finding the Fourth Proportional to 12,456.04, 18,684.42 and 4,663.36

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Solution

The fourth proportional to 12,456.04, 18,684.42 and 4,663.36 is: 6,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456.04 : 18,684.42 = 4,663.36 : x
  2. Step 2: Convert to fraction form
    12,456.04/18,684.42 = 4,663.36/x
  3. Step 3: Cross multiply
    12,456.04x = 18,684.42 × 4,663.36
  4. Step 4: Simplify right side
    12,456.04x = 87,132,176.85
  5. Step 5: Solve for x
    x = 87,132,176.85/12,456.04
  6. Step 6: Final answer
    x = 6,995.17

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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.