Home / 7,673.32-11,509.80-3,776.68

Finding the Fourth Proportional to 7,673.32, 11,509.80 and 3,776.68

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Solution

The fourth proportional to 7,673.32, 11,509.80 and 3,776.68 is: 5,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.32 : 11,509.80 = 3,776.68 : x
  2. Step 2: Convert to fraction form
    7,673.32/11,509.80 = 3,776.68/x
  3. Step 3: Cross multiply
    7,673.32x = 11,509.80 × 3,776.68
  4. Step 4: Simplify right side
    7,673.32x = 43,468,831.46
  5. Step 5: Solve for x
    x = 43,468,831.46/7,673.32
  6. Step 6: Final answer
    x = 5,664.93

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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.