Home / 11,220.35-15,484.03-6,184.78

Finding the Fourth Proportional to 11,220.35, 15,484.03 and 6,184.78

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Solution

The fourth proportional to 11,220.35, 15,484.03 and 6,184.78 is: 8,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.35 : 15,484.03 = 6,184.78 : x
  2. Step 2: Convert to fraction form
    11,220.35/15,484.03 = 6,184.78/x
  3. Step 3: Cross multiply
    11,220.35x = 15,484.03 × 6,184.78
  4. Step 4: Simplify right side
    11,220.35x = 95,765,264.89
  5. Step 5: Solve for x
    x = 95,765,264.89/11,220.35
  6. Step 6: Final answer
    x = 8,534.97

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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.