Home / 9,973.20-14,954.40-4,123.20

Finding the Fourth Proportional to 9,973.20, 14,954.40 and 4,123.20

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Solution

The fourth proportional to 9,973.20, 14,954.40 and 4,123.20 is: 6,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.20 : 14,954.40 = 4,123.20 : x
  2. Step 2: Convert to fraction form
    9,973.20/14,954.40 = 4,123.20/x
  3. Step 3: Cross multiply
    9,973.20x = 14,954.40 × 4,123.20
  4. Step 4: Simplify right side
    9,973.20x = 61,659,982.08
  5. Step 5: Solve for x
    x = 61,659,982.08/9,973.20
  6. Step 6: Final answer
    x = 6,182.57

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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.