Home / 12,319.18-16,982.67-8,776.24

Finding the Fourth Proportional to 12,319.18, 16,982.67 and 8,776.24

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Solution

The fourth proportional to 12,319.18, 16,982.67 and 8,776.24 is: 12,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.18 : 16,982.67 = 8,776.24 : x
  2. Step 2: Convert to fraction form
    12,319.18/16,982.67 = 8,776.24/x
  3. Step 3: Cross multiply
    12,319.18x = 16,982.67 × 8,776.24
  4. Step 4: Simplify right side
    12,319.18x = 149,043,987.76
  5. Step 5: Solve for x
    x = 149,043,987.76/12,319.18
  6. Step 6: Final answer
    x = 12,098.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.