Home / 11,991.44-16,547.58-6,685.23

Finding the Fourth Proportional to 11,991.44, 16,547.58 and 6,685.23

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Solution

The fourth proportional to 11,991.44, 16,547.58 and 6,685.23 is: 9,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.44 : 16,547.58 = 6,685.23 : x
  2. Step 2: Convert to fraction form
    11,991.44/16,547.58 = 6,685.23/x
  3. Step 3: Cross multiply
    11,991.44x = 16,547.58 × 6,685.23
  4. Step 4: Simplify right side
    11,991.44x = 110,624,378.24
  5. Step 5: Solve for x
    x = 110,624,378.24/11,991.44
  6. Step 6: Final answer
    x = 9,225.28

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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.