Home / 12,169.61-16,794.27-7,137.46

Finding the Fourth Proportional to 12,169.61, 16,794.27 and 7,137.46

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Solution

The fourth proportional to 12,169.61, 16,794.27 and 7,137.46 is: 9,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.61 : 16,794.27 = 7,137.46 : x
  2. Step 2: Convert to fraction form
    12,169.61/16,794.27 = 7,137.46/x
  3. Step 3: Cross multiply
    12,169.61x = 16,794.27 × 7,137.46
  4. Step 4: Simplify right side
    12,169.61x = 119,868,415.13
  5. Step 5: Solve for x
    x = 119,868,415.13/12,169.61
  6. Step 6: Final answer
    x = 9,849.82

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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.