Home / 6,918.34-10,377.51-1,724.22

Finding the Fourth Proportional to 6,918.34, 10,377.51 and 1,724.22

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Solution

The fourth proportional to 6,918.34, 10,377.51 and 1,724.22 is: 2,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.34 : 10,377.51 = 1,724.22 : x
  2. Step 2: Convert to fraction form
    6,918.34/10,377.51 = 1,724.22/x
  3. Step 3: Cross multiply
    6,918.34x = 10,377.51 × 1,724.22
  4. Step 4: Simplify right side
    6,918.34x = 17,893,110.29
  5. Step 5: Solve for x
    x = 17,893,110.29/6,918.34
  6. Step 6: Final answer
    x = 2,586.33

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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.