Home / 11,674.06-16,109.54-6,637.57

Finding the Fourth Proportional to 11,674.06, 16,109.54 and 6,637.57

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Solution

The fourth proportional to 11,674.06, 16,109.54 and 6,637.57 is: 9,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.06 : 16,109.54 = 6,637.57 : x
  2. Step 2: Convert to fraction form
    11,674.06/16,109.54 = 6,637.57/x
  3. Step 3: Cross multiply
    11,674.06x = 16,109.54 × 6,637.57
  4. Step 4: Simplify right side
    11,674.06x = 106,928,118.87
  5. Step 5: Solve for x
    x = 106,928,118.87/11,674.06
  6. Step 6: Final answer
    x = 9,159.47

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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.