Home / 10,831.65-14,948.37-6,353.77

Finding the Fourth Proportional to 10,831.65, 14,948.37 and 6,353.77

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Solution

The fourth proportional to 10,831.65, 14,948.37 and 6,353.77 is: 8,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.65 : 14,948.37 = 6,353.77 : x
  2. Step 2: Convert to fraction form
    10,831.65/14,948.37 = 6,353.77/x
  3. Step 3: Cross multiply
    10,831.65x = 14,948.37 × 6,353.77
  4. Step 4: Simplify right side
    10,831.65x = 94,978,471.34
  5. Step 5: Solve for x
    x = 94,978,471.34/10,831.65
  6. Step 6: Final answer
    x = 8,768.61

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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.