Home / 9,219.74-13,829.69-2,646.14

Finding the Fourth Proportional to 9,219.74, 13,829.69 and 2,646.14

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Solution

The fourth proportional to 9,219.74, 13,829.69 and 2,646.14 is: 3,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.74 : 13,829.69 = 2,646.14 : x
  2. Step 2: Convert to fraction form
    9,219.74/13,829.69 = 2,646.14/x
  3. Step 3: Cross multiply
    9,219.74x = 13,829.69 × 2,646.14
  4. Step 4: Simplify right side
    9,219.74x = 36,595,218.48
  5. Step 5: Solve for x
    x = 36,595,218.48/9,219.74
  6. Step 6: Final answer
    x = 3,969.22

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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.