Home / 11,085.24-15,296.28-6,305.79

Finding the Fourth Proportional to 11,085.24, 15,296.28 and 6,305.79

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Solution

The fourth proportional to 11,085.24, 15,296.28 and 6,305.79 is: 8,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.24 : 15,296.28 = 6,305.79 : x
  2. Step 2: Convert to fraction form
    11,085.24/15,296.28 = 6,305.79/x
  3. Step 3: Cross multiply
    11,085.24x = 15,296.28 × 6,305.79
  4. Step 4: Simplify right side
    11,085.24x = 96,455,051.85
  5. Step 5: Solve for x
    x = 96,455,051.85/11,085.24
  6. Step 6: Final answer
    x = 8,701.22

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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.