Home / 11,377.06-15,695.83-6,899.18

Finding the Fourth Proportional to 11,377.06, 15,695.83 and 6,899.18

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Solution

The fourth proportional to 11,377.06, 15,695.83 and 6,899.18 is: 9,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.06 : 15,695.83 = 6,899.18 : x
  2. Step 2: Convert to fraction form
    11,377.06/15,695.83 = 6,899.18/x
  3. Step 3: Cross multiply
    11,377.06x = 15,695.83 × 6,899.18
  4. Step 4: Simplify right side
    11,377.06x = 108,288,247.76
  5. Step 5: Solve for x
    x = 108,288,247.76/11,377.06
  6. Step 6: Final answer
    x = 9,518.12

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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.