Home / 9,209.12-13,813.44-3,053.12

Finding the Fourth Proportional to 9,209.12, 13,813.44 and 3,053.12

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Solution

The fourth proportional to 9,209.12, 13,813.44 and 3,053.12 is: 4,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.12 : 13,813.44 = 3,053.12 : x
  2. Step 2: Convert to fraction form
    9,209.12/13,813.44 = 3,053.12/x
  3. Step 3: Cross multiply
    9,209.12x = 13,813.44 × 3,053.12
  4. Step 4: Simplify right side
    9,209.12x = 42,174,089.93
  5. Step 5: Solve for x
    x = 42,174,089.93/9,209.12
  6. Step 6: Final answer
    x = 4,579.60

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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.