Home / 12,209.24-16,847.95-6,830.76

Finding the Fourth Proportional to 12,209.24, 16,847.95 and 6,830.76

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Solution

The fourth proportional to 12,209.24, 16,847.95 and 6,830.76 is: 9,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.24 : 16,847.95 = 6,830.76 : x
  2. Step 2: Convert to fraction form
    12,209.24/16,847.95 = 6,830.76/x
  3. Step 3: Cross multiply
    12,209.24x = 16,847.95 × 6,830.76
  4. Step 4: Simplify right side
    12,209.24x = 115,084,184.55
  5. Step 5: Solve for x
    x = 115,084,184.55/12,209.24
  6. Step 6: Final answer
    x = 9,425.99

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Half scale
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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.