Home / 11,222.28-15,486.65-6,186.51

Finding the Fourth Proportional to 11,222.28, 15,486.65 and 6,186.51

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Solution

The fourth proportional to 11,222.28, 15,486.65 and 6,186.51 is: 8,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.28 : 15,486.65 = 6,186.51 : x
  2. Step 2: Convert to fraction form
    11,222.28/15,486.65 = 6,186.51/x
  3. Step 3: Cross multiply
    11,222.28x = 15,486.65 × 6,186.51
  4. Step 4: Simplify right side
    11,222.28x = 95,808,315.09
  5. Step 5: Solve for x
    x = 95,808,315.09/11,222.28
  6. Step 6: Final answer
    x = 8,537.33

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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.