Home / 11,746.90-17,620.23-3,955.66

Finding the Fourth Proportional to 11,746.90, 17,620.23 and 3,955.66

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Solution

The fourth proportional to 11,746.90, 17,620.23 and 3,955.66 is: 5,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.90 : 17,620.23 = 3,955.66 : x
  2. Step 2: Convert to fraction form
    11,746.90/17,620.23 = 3,955.66/x
  3. Step 3: Cross multiply
    11,746.90x = 17,620.23 × 3,955.66
  4. Step 4: Simplify right side
    11,746.90x = 69,699,639.00
  5. Step 5: Solve for x
    x = 69,699,639.00/11,746.90
  6. Step 6: Final answer
    x = 5,933.45

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1.5x scale

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.