Home / 12,164.50-18,252.24-6,970.38

Finding the Fourth Proportional to 12,164.50, 18,252.24 and 6,970.38

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Solution

The fourth proportional to 12,164.50, 18,252.24 and 6,970.38 is: 10,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.50 : 18,252.24 = 6,970.38 : x
  2. Step 2: Convert to fraction form
    12,164.50/18,252.24 = 6,970.38/x
  3. Step 3: Cross multiply
    12,164.50x = 18,252.24 × 6,970.38
  4. Step 4: Simplify right side
    12,164.50x = 127,225,048.65
  5. Step 5: Solve for x
    x = 127,225,048.65/12,164.50
  6. Step 6: Final answer
    x = 10,458.72

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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.