Home / 8,774.32-13,164.96-5,270.92

Finding the Fourth Proportional to 8,774.32, 13,164.96 and 5,270.92

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Solution

The fourth proportional to 8,774.32, 13,164.96 and 5,270.92 is: 7,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.32 : 13,164.96 = 5,270.92 : x
  2. Step 2: Convert to fraction form
    8,774.32/13,164.96 = 5,270.92/x
  3. Step 3: Cross multiply
    8,774.32x = 13,164.96 × 5,270.92
  4. Step 4: Simplify right side
    8,774.32x = 69,391,450.96
  5. Step 5: Solve for x
    x = 69,391,450.96/8,774.32
  6. Step 6: Final answer
    x = 7,908.47

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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.