Home / 12,249.40-16,903.02-8,476.60

Finding the Fourth Proportional to 12,249.40, 16,903.02 and 8,476.60

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Solution

The fourth proportional to 12,249.40, 16,903.02 and 8,476.60 is: 11,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.40 : 16,903.02 = 8,476.60 : x
  2. Step 2: Convert to fraction form
    12,249.40/16,903.02 = 8,476.60/x
  3. Step 3: Cross multiply
    12,249.40x = 16,903.02 × 8,476.60
  4. Step 4: Simplify right side
    12,249.40x = 143,280,139.33
  5. Step 5: Solve for x
    x = 143,280,139.33/12,249.40
  6. Step 6: Final answer
    x = 11,696.91

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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.