Home / 12,167.95-16,790.76-6,864.07

Finding the Fourth Proportional to 12,167.95, 16,790.76 and 6,864.07

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Solution

The fourth proportional to 12,167.95, 16,790.76 and 6,864.07 is: 9,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.95 : 16,790.76 = 6,864.07 : x
  2. Step 2: Convert to fraction form
    12,167.95/16,790.76 = 6,864.07/x
  3. Step 3: Cross multiply
    12,167.95x = 16,790.76 × 6,864.07
  4. Step 4: Simplify right side
    12,167.95x = 115,252,833.72
  5. Step 5: Solve for x
    x = 115,252,833.72/12,167.95
  6. Step 6: Final answer
    x = 9,471.84

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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.