Home / 7,369.12-11,053.68-2,690.08

Finding the Fourth Proportional to 7,369.12, 11,053.68 and 2,690.08

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Solution

The fourth proportional to 7,369.12, 11,053.68 and 2,690.08 is: 4,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.12 : 11,053.68 = 2,690.08 : x
  2. Step 2: Convert to fraction form
    7,369.12/11,053.68 = 2,690.08/x
  3. Step 3: Cross multiply
    7,369.12x = 11,053.68 × 2,690.08
  4. Step 4: Simplify right side
    7,369.12x = 29,735,283.49
  5. Step 5: Solve for x
    x = 29,735,283.49/7,369.12
  6. Step 6: Final answer
    x = 4,035.12

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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.