Home / 10,982.90-16,474.35-6,605.30

Finding the Fourth Proportional to 10,982.90, 16,474.35 and 6,605.30

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Solution

The fourth proportional to 10,982.90, 16,474.35 and 6,605.30 is: 9,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.90 : 16,474.35 = 6,605.30 : x
  2. Step 2: Convert to fraction form
    10,982.90/16,474.35 = 6,605.30/x
  3. Step 3: Cross multiply
    10,982.90x = 16,474.35 × 6,605.30
  4. Step 4: Simplify right side
    10,982.90x = 108,818,024.06
  5. Step 5: Solve for x
    x = 108,818,024.06/10,982.90
  6. Step 6: Final answer
    x = 9,907.95

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1.5x scale

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.