Home / 11,928.33-16,461.18-6,551.28

Finding the Fourth Proportional to 11,928.33, 16,461.18 and 6,551.28

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Solution

The fourth proportional to 11,928.33, 16,461.18 and 6,551.28 is: 9,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.33 : 16,461.18 = 6,551.28 : x
  2. Step 2: Convert to fraction form
    11,928.33/16,461.18 = 6,551.28/x
  3. Step 3: Cross multiply
    11,928.33x = 16,461.18 × 6,551.28
  4. Step 4: Simplify right side
    11,928.33x = 107,841,799.31
  5. Step 5: Solve for x
    x = 107,841,799.31/11,928.33
  6. Step 6: Final answer
    x = 9,040.81

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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.