Home / 12,141.08-18,204.07-5,117.48

Finding the Fourth Proportional to 12,141.08, 18,204.07 and 5,117.48

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Solution

The fourth proportional to 12,141.08, 18,204.07 and 5,117.48 is: 7,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.08 : 18,204.07 = 5,117.48 : x
  2. Step 2: Convert to fraction form
    12,141.08/18,204.07 = 5,117.48/x
  3. Step 3: Cross multiply
    12,141.08x = 18,204.07 × 5,117.48
  4. Step 4: Simplify right side
    12,141.08x = 93,158,873.12
  5. Step 5: Solve for x
    x = 93,158,873.12/12,141.08
  6. Step 6: Final answer
    x = 7,673.03

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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.