Home / 12,191.01-16,823.58-6,886.17

Finding the Fourth Proportional to 12,191.01, 16,823.58 and 6,886.17

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Solution

The fourth proportional to 12,191.01, 16,823.58 and 6,886.17 is: 9,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191.01 : 16,823.58 = 6,886.17 : x
  2. Step 2: Convert to fraction form
    12,191.01/16,823.58 = 6,886.17/x
  3. Step 3: Cross multiply
    12,191.01x = 16,823.58 × 6,886.17
  4. Step 4: Simplify right side
    12,191.01x = 115,850,031.89
  5. Step 5: Solve for x
    x = 115,850,031.89/12,191.01
  6. Step 6: Final answer
    x = 9,502.91

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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.