Home / 10,317.29-15,474.56-2,922.39

Finding the Fourth Proportional to 10,317.29, 15,474.56 and 2,922.39

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Solution

The fourth proportional to 10,317.29, 15,474.56 and 2,922.39 is: 4,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.29 : 15,474.56 = 2,922.39 : x
  2. Step 2: Convert to fraction form
    10,317.29/15,474.56 = 2,922.39/x
  3. Step 3: Cross multiply
    10,317.29x = 15,474.56 × 2,922.39
  4. Step 4: Simplify right side
    10,317.29x = 45,222,684.79
  5. Step 5: Solve for x
    x = 45,222,684.79/10,317.29
  6. Step 6: Final answer
    x = 4,383.20

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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.