Home / 12,055.28-16,625.18-8,271.77

Finding the Fourth Proportional to 12,055.28, 16,625.18 and 8,271.77

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Solution

The fourth proportional to 12,055.28, 16,625.18 and 8,271.77 is: 11,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.28 : 16,625.18 = 8,271.77 : x
  2. Step 2: Convert to fraction form
    12,055.28/16,625.18 = 8,271.77/x
  3. Step 3: Cross multiply
    12,055.28x = 16,625.18 × 8,271.77
  4. Step 4: Simplify right side
    12,055.28x = 137,519,582.04
  5. Step 5: Solve for x
    x = 137,519,582.04/12,055.28
  6. Step 6: Final answer
    x = 11,407.42

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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.