Home / 7,166.60-10,748.66-1,971.26

Finding the Fourth Proportional to 7,166.60, 10,748.66 and 1,971.26

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Solution

The fourth proportional to 7,166.60, 10,748.66 and 1,971.26 is: 2,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.60 : 10,748.66 = 1,971.26 : x
  2. Step 2: Convert to fraction form
    7,166.60/10,748.66 = 1,971.26/x
  3. Step 3: Cross multiply
    7,166.60x = 10,748.66 × 1,971.26
  4. Step 4: Simplify right side
    7,166.60x = 21,188,403.51
  5. Step 5: Solve for x
    x = 21,188,403.51/7,166.60
  6. Step 6: Final answer
    x = 2,956.55

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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.