Home / 8,774.36-12,108.62-4,795.47

Finding the Fourth Proportional to 8,774.36, 12,108.62 and 4,795.47

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Solution

The fourth proportional to 8,774.36, 12,108.62 and 4,795.47 is: 6,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.36 : 12,108.62 = 4,795.47 : x
  2. Step 2: Convert to fraction form
    8,774.36/12,108.62 = 4,795.47/x
  3. Step 3: Cross multiply
    8,774.36x = 12,108.62 × 4,795.47
  4. Step 4: Simplify right side
    8,774.36x = 58,066,523.95
  5. Step 5: Solve for x
    x = 58,066,523.95/8,774.36
  6. Step 6: Final answer
    x = 6,617.75

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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.