Home / 10,020.51-15,028.74-3,446.96

Finding the Fourth Proportional to 10,020.51, 15,028.74 and 3,446.96

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Solution

The fourth proportional to 10,020.51, 15,028.74 and 3,446.96 is: 5,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.51 : 15,028.74 = 3,446.96 : x
  2. Step 2: Convert to fraction form
    10,020.51/15,028.74 = 3,446.96/x
  3. Step 3: Cross multiply
    10,020.51x = 15,028.74 × 3,446.96
  4. Step 4: Simplify right side
    10,020.51x = 51,803,390.49
  5. Step 5: Solve for x
    x = 51,803,390.49/10,020.51
  6. Step 6: Final answer
    x = 5,169.74

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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.