Home / 12,094.51-18,140.91-3,209.65

Finding the Fourth Proportional to 12,094.51, 18,140.91 and 3,209.65

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Solution

The fourth proportional to 12,094.51, 18,140.91 and 3,209.65 is: 4,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,094.51 : 18,140.91 = 3,209.65 : x
  2. Step 2: Convert to fraction form
    12,094.51/18,140.91 = 3,209.65/x
  3. Step 3: Cross multiply
    12,094.51x = 18,140.91 × 3,209.65
  4. Step 4: Simplify right side
    12,094.51x = 58,225,971.78
  5. Step 5: Solve for x
    x = 58,225,971.78/12,094.51
  6. Step 6: Final answer
    x = 4,814.25

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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.