Home / 10,946.20-16,380.40-6,306.52

Finding the Fourth Proportional to 10,946.20, 16,380.40 and 6,306.52

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Solution

The fourth proportional to 10,946.20, 16,380.40 and 6,306.52 is: 9,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.20 : 16,380.40 = 6,306.52 : x
  2. Step 2: Convert to fraction form
    10,946.20/16,380.40 = 6,306.52/x
  3. Step 3: Cross multiply
    10,946.20x = 16,380.40 × 6,306.52
  4. Step 4: Simplify right side
    10,946.20x = 103,303,320.21
  5. Step 5: Solve for x
    x = 103,303,320.21/10,946.20
  6. Step 6: Final answer
    x = 9,437.37

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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.