Home / 12,701.51-19,039.04-5,310.26

Finding the Fourth Proportional to 12,701.51, 19,039.04 and 5,310.26

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Solution

The fourth proportional to 12,701.51, 19,039.04 and 5,310.26 is: 7,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.51 : 19,039.04 = 5,310.26 : x
  2. Step 2: Convert to fraction form
    12,701.51/19,039.04 = 5,310.26/x
  3. Step 3: Cross multiply
    12,701.51x = 19,039.04 × 5,310.26
  4. Step 4: Simplify right side
    12,701.51x = 101,102,226.00
  5. Step 5: Solve for x
    x = 101,102,226.00/12,701.51
  6. Step 6: Final answer
    x = 7,959.86

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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.