Home / 11,221.06-15,484.98-6,116.57

Finding the Fourth Proportional to 11,221.06, 15,484.98 and 6,116.57

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Solution

The fourth proportional to 11,221.06, 15,484.98 and 6,116.57 is: 8,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.06 : 15,484.98 = 6,116.57 : x
  2. Step 2: Convert to fraction form
    11,221.06/15,484.98 = 6,116.57/x
  3. Step 3: Cross multiply
    11,221.06x = 15,484.98 × 6,116.57
  4. Step 4: Simplify right side
    11,221.06x = 94,714,964.12
  5. Step 5: Solve for x
    x = 94,714,964.12/11,221.06
  6. Step 6: Final answer
    x = 8,440.82

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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.