Home / 8,864.12-13,295.36-5,164.04

Finding the Fourth Proportional to 8,864.12, 13,295.36 and 5,164.04

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Solution

The fourth proportional to 8,864.12, 13,295.36 and 5,164.04 is: 7,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.12 : 13,295.36 = 5,164.04 : x
  2. Step 2: Convert to fraction form
    8,864.12/13,295.36 = 5,164.04/x
  3. Step 3: Cross multiply
    8,864.12x = 13,295.36 × 5,164.04
  4. Step 4: Simplify right side
    8,864.12x = 68,657,678.56
  5. Step 5: Solve for x
    x = 68,657,678.56/8,864.12
  6. Step 6: Final answer
    x = 7,745.58

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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.