Home / 11,585.06-17,228.56-11,216.00

Finding the Fourth Proportional to 11,585.06, 17,228.56 and 11,216.00

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Solution

The fourth proportional to 11,585.06, 17,228.56 and 11,216.00 is: 16,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.06 : 17,228.56 = 11,216.00 : x
  2. Step 2: Convert to fraction form
    11,585.06/17,228.56 = 11,216.00/x
  3. Step 3: Cross multiply
    11,585.06x = 17,228.56 × 11,216.00
  4. Step 4: Simplify right side
    11,585.06x = 193,235,543.99
  5. Step 5: Solve for x
    x = 193,235,543.99/11,585.06
  6. Step 6: Final answer
    x = 16,679.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.