Home / 11,038.14-16,557.12-5,191.56

Finding the Fourth Proportional to 11,038.14, 16,557.12 and 5,191.56

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Solution

The fourth proportional to 11,038.14, 16,557.12 and 5,191.56 is: 7,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.14 : 16,557.12 = 5,191.56 : x
  2. Step 2: Convert to fraction form
    11,038.14/16,557.12 = 5,191.56/x
  3. Step 3: Cross multiply
    11,038.14x = 16,557.12 × 5,191.56
  4. Step 4: Simplify right side
    11,038.14x = 85,957,281.91
  5. Step 5: Solve for x
    x = 85,957,281.91/11,038.14
  6. Step 6: Final answer
    x = 7,787.30

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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.