Home / 11,995.34-16,553.22-6,690.07

Finding the Fourth Proportional to 11,995.34, 16,553.22 and 6,690.07

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Solution

The fourth proportional to 11,995.34, 16,553.22 and 6,690.07 is: 9,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.34 : 16,553.22 = 6,690.07 : x
  2. Step 2: Convert to fraction form
    11,995.34/16,553.22 = 6,690.07/x
  3. Step 3: Cross multiply
    11,995.34x = 16,553.22 × 6,690.07
  4. Step 4: Simplify right side
    11,995.34x = 110,742,200.53
  5. Step 5: Solve for x
    x = 110,742,200.53/11,995.34
  6. Step 6: Final answer
    x = 9,232.10

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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.