Home / 8,507.40-12,762.12-3,576.36

Finding the Fourth Proportional to 8,507.40, 12,762.12 and 3,576.36

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Solution

The fourth proportional to 8,507.40, 12,762.12 and 3,576.36 is: 5,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.40 : 12,762.12 = 3,576.36 : x
  2. Step 2: Convert to fraction form
    8,507.40/12,762.12 = 3,576.36/x
  3. Step 3: Cross multiply
    8,507.40x = 12,762.12 × 3,576.36
  4. Step 4: Simplify right side
    8,507.40x = 45,641,935.48
  5. Step 5: Solve for x
    x = 45,641,935.48/8,507.40
  6. Step 6: Final answer
    x = 5,364.97

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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.