Home / 11,317.19-16,953.71-7,409.75

Finding the Fourth Proportional to 11,317.19, 16,953.71 and 7,409.75

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Solution

The fourth proportional to 11,317.19, 16,953.71 and 7,409.75 is: 11,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.19 : 16,953.71 = 7,409.75 : x
  2. Step 2: Convert to fraction form
    11,317.19/16,953.71 = 7,409.75/x
  3. Step 3: Cross multiply
    11,317.19x = 16,953.71 × 7,409.75
  4. Step 4: Simplify right side
    11,317.19x = 125,622,752.67
  5. Step 5: Solve for x
    x = 125,622,752.67/11,317.19
  6. Step 6: Final answer
    x = 11,100.17

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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.