Home / 11,154.92-15,396.48-7,575.85

Finding the Fourth Proportional to 11,154.92, 15,396.48 and 7,575.85

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Solution

The fourth proportional to 11,154.92, 15,396.48 and 7,575.85 is: 10,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.92 : 15,396.48 = 7,575.85 : x
  2. Step 2: Convert to fraction form
    11,154.92/15,396.48 = 7,575.85/x
  3. Step 3: Cross multiply
    11,154.92x = 15,396.48 × 7,575.85
  4. Step 4: Simplify right side
    11,154.92x = 116,641,423.01
  5. Step 5: Solve for x
    x = 116,641,423.01/11,154.92
  6. Step 6: Final answer
    x = 10,456.50

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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.