Home / 10,990.89-16,455.24-9,952.83

Finding the Fourth Proportional to 10,990.89, 16,455.24 and 9,952.83

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Solution

The fourth proportional to 10,990.89, 16,455.24 and 9,952.83 is: 14,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.89 : 16,455.24 = 9,952.83 : x
  2. Step 2: Convert to fraction form
    10,990.89/16,455.24 = 9,952.83/x
  3. Step 3: Cross multiply
    10,990.89x = 16,455.24 × 9,952.83
  4. Step 4: Simplify right side
    10,990.89x = 163,776,206.33
  5. Step 5: Solve for x
    x = 163,776,206.33/10,990.89
  6. Step 6: Final answer
    x = 14,901.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.