Home / 11,961.15-16,503.88-6,925.08

Finding the Fourth Proportional to 11,961.15, 16,503.88 and 6,925.08

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Solution

The fourth proportional to 11,961.15, 16,503.88 and 6,925.08 is: 9,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.15 : 16,503.88 = 6,925.08 : x
  2. Step 2: Convert to fraction form
    11,961.15/16,503.88 = 6,925.08/x
  3. Step 3: Cross multiply
    11,961.15x = 16,503.88 × 6,925.08
  4. Step 4: Simplify right side
    11,961.15x = 114,290,689.31
  5. Step 5: Solve for x
    x = 114,290,689.31/11,961.15
  6. Step 6: Final answer
    x = 9,555.16

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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.