Home / 11,205.02-15,460.52-8,853.99

Finding the Fourth Proportional to 11,205.02, 15,460.52 and 8,853.99

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Solution

The fourth proportional to 11,205.02, 15,460.52 and 8,853.99 is: 12,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.02 : 15,460.52 = 8,853.99 : x
  2. Step 2: Convert to fraction form
    11,205.02/15,460.52 = 8,853.99/x
  3. Step 3: Cross multiply
    11,205.02x = 15,460.52 × 8,853.99
  4. Step 4: Simplify right side
    11,205.02x = 136,887,245.20
  5. Step 5: Solve for x
    x = 136,887,245.20/11,205.02
  6. Step 6: Final answer
    x = 12,216.61

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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.