Home / 9,826.80-14,725.80-3,973.20

Finding the Fourth Proportional to 9,826.80, 14,725.80 and 3,973.20

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Solution

The fourth proportional to 9,826.80, 14,725.80 and 3,973.20 is: 5,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.80 : 14,725.80 = 3,973.20 : x
  2. Step 2: Convert to fraction form
    9,826.80/14,725.80 = 3,973.20/x
  3. Step 3: Cross multiply
    9,826.80x = 14,725.80 × 3,973.20
  4. Step 4: Simplify right side
    9,826.80x = 58,508,548.56
  5. Step 5: Solve for x
    x = 58,508,548.56/9,826.80
  6. Step 6: Final answer
    x = 5,953.98

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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.