Home / 8,470.50-11,689.66-4,933.14

Finding the Fourth Proportional to 8,470.50, 11,689.66 and 4,933.14

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Solution

The fourth proportional to 8,470.50, 11,689.66 and 4,933.14 is: 6,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.50 : 11,689.66 = 4,933.14 : x
  2. Step 2: Convert to fraction form
    8,470.50/11,689.66 = 4,933.14/x
  3. Step 3: Cross multiply
    8,470.50x = 11,689.66 × 4,933.14
  4. Step 4: Simplify right side
    8,470.50x = 57,666,729.33
  5. Step 5: Solve for x
    x = 57,666,729.33/8,470.50
  6. Step 6: Final answer
    x = 6,807.95

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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.