Home / 11,931.29-16,467.33-6,894.82

Finding the Fourth Proportional to 11,931.29, 16,467.33 and 6,894.82

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Solution

The fourth proportional to 11,931.29, 16,467.33 and 6,894.82 is: 9,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.29 : 16,467.33 = 6,894.82 : x
  2. Step 2: Convert to fraction form
    11,931.29/16,467.33 = 6,894.82/x
  3. Step 3: Cross multiply
    11,931.29x = 16,467.33 × 6,894.82
  4. Step 4: Simplify right side
    11,931.29x = 113,539,159.42
  5. Step 5: Solve for x
    x = 113,539,159.42/11,931.29
  6. Step 6: Final answer
    x = 9,516.08

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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.