Home / 11,083.88-16,532.40-9,421.76

Finding the Fourth Proportional to 11,083.88, 16,532.40 and 9,421.76

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Solution

The fourth proportional to 11,083.88, 16,532.40 and 9,421.76 is: 14,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.88 : 16,532.40 = 9,421.76 : x
  2. Step 2: Convert to fraction form
    11,083.88/16,532.40 = 9,421.76/x
  3. Step 3: Cross multiply
    11,083.88x = 16,532.40 × 9,421.76
  4. Step 4: Simplify right side
    11,083.88x = 155,764,305.02
  5. Step 5: Solve for x
    x = 155,764,305.02/11,083.88
  6. Step 6: Final answer
    x = 14,053.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.