Home / 7,342.69-10,121.73-4,504.81

Finding the Fourth Proportional to 7,342.69, 10,121.73 and 4,504.81

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Solution

The fourth proportional to 7,342.69, 10,121.73 and 4,504.81 is: 6,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.69 : 10,121.73 = 4,504.81 : x
  2. Step 2: Convert to fraction form
    7,342.69/10,121.73 = 4,504.81/x
  3. Step 3: Cross multiply
    7,342.69x = 10,121.73 × 4,504.81
  4. Step 4: Simplify right side
    7,342.69x = 45,596,470.52
  5. Step 5: Solve for x
    x = 45,596,470.52/7,342.69
  6. Step 6: Final answer
    x = 6,209.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.