Home / 10,922.64-16,386.11-3,528.96

Finding the Fourth Proportional to 10,922.64, 16,386.11 and 3,528.96

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Solution

The fourth proportional to 10,922.64, 16,386.11 and 3,528.96 is: 5,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.64 : 16,386.11 = 3,528.96 : x
  2. Step 2: Convert to fraction form
    10,922.64/16,386.11 = 3,528.96/x
  3. Step 3: Cross multiply
    10,922.64x = 16,386.11 × 3,528.96
  4. Step 4: Simplify right side
    10,922.64x = 57,825,926.75
  5. Step 5: Solve for x
    x = 57,825,926.75/10,922.64
  6. Step 6: Final answer
    x = 5,294.13

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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.