Home / 7,356.81-11,035.12-3,458.46

Finding the Fourth Proportional to 7,356.81, 11,035.12 and 3,458.46

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Solution

The fourth proportional to 7,356.81, 11,035.12 and 3,458.46 is: 5,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.81 : 11,035.12 = 3,458.46 : x
  2. Step 2: Convert to fraction form
    7,356.81/11,035.12 = 3,458.46/x
  3. Step 3: Cross multiply
    7,356.81x = 11,035.12 × 3,458.46
  4. Step 4: Simplify right side
    7,356.81x = 38,164,521.12
  5. Step 5: Solve for x
    x = 38,164,521.12/7,356.81
  6. Step 6: Final answer
    x = 5,187.65

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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.