Home / 11,226.06-15,490.77-6,189.95

Finding the Fourth Proportional to 11,226.06, 15,490.77 and 6,189.95

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Solution

The fourth proportional to 11,226.06, 15,490.77 and 6,189.95 is: 8,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.06 : 15,490.77 = 6,189.95 : x
  2. Step 2: Convert to fraction form
    11,226.06/15,490.77 = 6,189.95/x
  3. Step 3: Cross multiply
    11,226.06x = 15,490.77 × 6,189.95
  4. Step 4: Simplify right side
    11,226.06x = 95,887,014.31
  5. Step 5: Solve for x
    x = 95,887,014.31/11,226.06
  6. Step 6: Final answer
    x = 8,541.47

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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.