Home / 11,135.78-15,363.76-7,592.84

Finding the Fourth Proportional to 11,135.78, 15,363.76 and 7,592.84

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Solution

The fourth proportional to 11,135.78, 15,363.76 and 7,592.84 is: 10,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.78 : 15,363.76 = 7,592.84 : x
  2. Step 2: Convert to fraction form
    11,135.78/15,363.76 = 7,592.84/x
  3. Step 3: Cross multiply
    11,135.78x = 15,363.76 × 7,592.84
  4. Step 4: Simplify right side
    11,135.78x = 116,654,456.70
  5. Step 5: Solve for x
    x = 116,654,456.70/11,135.78
  6. Step 6: Final answer
    x = 10,475.65

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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.