Home / 12,080.29-18,124.75-7,346.08

Finding the Fourth Proportional to 12,080.29, 18,124.75 and 7,346.08

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Solution

The fourth proportional to 12,080.29, 18,124.75 and 7,346.08 is: 11,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.29 : 18,124.75 = 7,346.08 : x
  2. Step 2: Convert to fraction form
    12,080.29/18,124.75 = 7,346.08/x
  3. Step 3: Cross multiply
    12,080.29x = 18,124.75 × 7,346.08
  4. Step 4: Simplify right side
    12,080.29x = 133,145,863.48
  5. Step 5: Solve for x
    x = 133,145,863.48/12,080.29
  6. Step 6: Final answer
    x = 11,021.74

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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.