Home / 12,510.52-18,771.90-6,967.96

Finding the Fourth Proportional to 12,510.52, 18,771.90 and 6,967.96

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Solution

The fourth proportional to 12,510.52, 18,771.90 and 6,967.96 is: 10,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.52 : 18,771.90 = 6,967.96 : x
  2. Step 2: Convert to fraction form
    12,510.52/18,771.90 = 6,967.96/x
  3. Step 3: Cross multiply
    12,510.52x = 18,771.90 × 6,967.96
  4. Step 4: Simplify right side
    12,510.52x = 130,801,848.32
  5. Step 5: Solve for x
    x = 130,801,848.32/12,510.52
  6. Step 6: Final answer
    x = 10,455.35

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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.