Home / 11,930.95-16,465.13-6,625.86

Finding the Fourth Proportional to 11,930.95, 16,465.13 and 6,625.86

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Solution

The fourth proportional to 11,930.95, 16,465.13 and 6,625.86 is: 9,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.95 : 16,465.13 = 6,625.86 : x
  2. Step 2: Convert to fraction form
    11,930.95/16,465.13 = 6,625.86/x
  3. Step 3: Cross multiply
    11,930.95x = 16,465.13 × 6,625.86
  4. Step 4: Simplify right side
    11,930.95x = 109,095,646.26
  5. Step 5: Solve for x
    x = 109,095,646.26/11,930.95
  6. Step 6: Final answer
    x = 9,143.92

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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.