Home / 7,422.98-11,135.68-3,526.07

Finding the Fourth Proportional to 7,422.98, 11,135.68 and 3,526.07

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Solution

The fourth proportional to 7,422.98, 11,135.68 and 3,526.07 is: 5,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.98 : 11,135.68 = 3,526.07 : x
  2. Step 2: Convert to fraction form
    7,422.98/11,135.68 = 3,526.07/x
  3. Step 3: Cross multiply
    7,422.98x = 11,135.68 × 3,526.07
  4. Step 4: Simplify right side
    7,422.98x = 39,265,187.18
  5. Step 5: Solve for x
    x = 39,265,187.18/7,422.98
  6. Step 6: Final answer
    x = 5,289.68

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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.