Home / 7,390.59-11,089.37-3,693.12

Finding the Fourth Proportional to 7,390.59, 11,089.37 and 3,693.12

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Solution

The fourth proportional to 7,390.59, 11,089.37 and 3,693.12 is: 5,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.59 : 11,089.37 = 3,693.12 : x
  2. Step 2: Convert to fraction form
    7,390.59/11,089.37 = 3,693.12/x
  3. Step 3: Cross multiply
    7,390.59x = 11,089.37 × 3,693.12
  4. Step 4: Simplify right side
    7,390.59x = 40,954,374.13
  5. Step 5: Solve for x
    x = 40,954,374.13/7,390.59
  6. Step 6: Final answer
    x = 5,541.42

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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.