Home / 11,816.28-16,303.82-6,712.07

Finding the Fourth Proportional to 11,816.28, 16,303.82 and 6,712.07

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Solution

The fourth proportional to 11,816.28, 16,303.82 and 6,712.07 is: 9,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.28 : 16,303.82 = 6,712.07 : x
  2. Step 2: Convert to fraction form
    11,816.28/16,303.82 = 6,712.07/x
  3. Step 3: Cross multiply
    11,816.28x = 16,303.82 × 6,712.07
  4. Step 4: Simplify right side
    11,816.28x = 109,432,266.03
  5. Step 5: Solve for x
    x = 109,432,266.03/11,816.28
  6. Step 6: Final answer
    x = 9,261.14

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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.