Home / 11,707.08-17,558.02-3,385.28

Finding the Fourth Proportional to 11,707.08, 17,558.02 and 3,385.28

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Solution

The fourth proportional to 11,707.08, 17,558.02 and 3,385.28 is: 5,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.08 : 17,558.02 = 3,385.28 : x
  2. Step 2: Convert to fraction form
    11,707.08/17,558.02 = 3,385.28/x
  3. Step 3: Cross multiply
    11,707.08x = 17,558.02 × 3,385.28
  4. Step 4: Simplify right side
    11,707.08x = 59,438,813.95
  5. Step 5: Solve for x
    x = 59,438,813.95/11,707.08
  6. Step 6: Final answer
    x = 5,077.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.