Home / 12,461.07-18,691.47-3,696.06

Finding the Fourth Proportional to 12,461.07, 18,691.47 and 3,696.06

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Solution

The fourth proportional to 12,461.07, 18,691.47 and 3,696.06 is: 5,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.07 : 18,691.47 = 3,696.06 : x
  2. Step 2: Convert to fraction form
    12,461.07/18,691.47 = 3,696.06/x
  3. Step 3: Cross multiply
    12,461.07x = 18,691.47 × 3,696.06
  4. Step 4: Simplify right side
    12,461.07x = 69,084,794.61
  5. Step 5: Solve for x
    x = 69,084,794.61/12,461.07
  6. Step 6: Final answer
    x = 5,544.05

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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.