Home / 10,886.08-15,021.84-6,170.08

Finding the Fourth Proportional to 10,886.08, 15,021.84 and 6,170.08

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Solution

The fourth proportional to 10,886.08, 15,021.84 and 6,170.08 is: 8,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.08 : 15,021.84 = 6,170.08 : x
  2. Step 2: Convert to fraction form
    10,886.08/15,021.84 = 6,170.08/x
  3. Step 3: Cross multiply
    10,886.08x = 15,021.84 × 6,170.08
  4. Step 4: Simplify right side
    10,886.08x = 92,685,954.55
  5. Step 5: Solve for x
    x = 92,685,954.55/10,886.08
  6. Step 6: Final answer
    x = 8,514.17

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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.