Home / 8,586.78-11,845.58-5,404.02

Finding the Fourth Proportional to 8,586.78, 11,845.58 and 5,404.02

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Solution

The fourth proportional to 8,586.78, 11,845.58 and 5,404.02 is: 7,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.78 : 11,845.58 = 5,404.02 : x
  2. Step 2: Convert to fraction form
    8,586.78/11,845.58 = 5,404.02/x
  3. Step 3: Cross multiply
    8,586.78x = 11,845.58 × 5,404.02
  4. Step 4: Simplify right side
    8,586.78x = 64,013,751.23
  5. Step 5: Solve for x
    x = 64,013,751.23/8,586.78
  6. Step 6: Final answer
    x = 7,454.92

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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.