Home / 9,966.20-14,954.45-4,423.37

Finding the Fourth Proportional to 9,966.20, 14,954.45 and 4,423.37

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Solution

The fourth proportional to 9,966.20, 14,954.45 and 4,423.37 is: 6,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.20 : 14,954.45 = 4,423.37 : x
  2. Step 2: Convert to fraction form
    9,966.20/14,954.45 = 4,423.37/x
  3. Step 3: Cross multiply
    9,966.20x = 14,954.45 × 4,423.37
  4. Step 4: Simplify right side
    9,966.20x = 66,148,968.61
  5. Step 5: Solve for x
    x = 66,148,968.61/9,966.20
  6. Step 6: Final answer
    x = 6,637.33

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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.