Home / 12,079.41-16,671.40-7,366.42

Finding the Fourth Proportional to 12,079.41, 16,671.40 and 7,366.42

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Solution

The fourth proportional to 12,079.41, 16,671.40 and 7,366.42 is: 10,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.41 : 16,671.40 = 7,366.42 : x
  2. Step 2: Convert to fraction form
    12,079.41/16,671.40 = 7,366.42/x
  3. Step 3: Cross multiply
    12,079.41x = 16,671.40 × 7,366.42
  4. Step 4: Simplify right side
    12,079.41x = 122,808,578.25
  5. Step 5: Solve for x
    x = 122,808,578.25/12,079.41
  6. Step 6: Final answer
    x = 10,166.77

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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.