Home / 11,220.20-15,484.56-6,184.41

Finding the Fourth Proportional to 11,220.20, 15,484.56 and 6,184.41

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Solution

The fourth proportional to 11,220.20, 15,484.56 and 6,184.41 is: 8,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.20 : 15,484.56 = 6,184.41 : x
  2. Step 2: Convert to fraction form
    11,220.20/15,484.56 = 6,184.41/x
  3. Step 3: Cross multiply
    11,220.20x = 15,484.56 × 6,184.41
  4. Step 4: Simplify right side
    11,220.20x = 95,762,867.71
  5. Step 5: Solve for x
    x = 95,762,867.71/11,220.20
  6. Step 6: Final answer
    x = 8,534.86

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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.