Home / 10,791.54-14,894.55-6,317.64

Finding the Fourth Proportional to 10,791.54, 14,894.55 and 6,317.64

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Solution

The fourth proportional to 10,791.54, 14,894.55 and 6,317.64 is: 8,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.54 : 14,894.55 = 6,317.64 : x
  2. Step 2: Convert to fraction form
    10,791.54/14,894.55 = 6,317.64/x
  3. Step 3: Cross multiply
    10,791.54x = 14,894.55 × 6,317.64
  4. Step 4: Simplify right side
    10,791.54x = 94,098,404.86
  5. Step 5: Solve for x
    x = 94,098,404.86/10,791.54
  6. Step 6: Final answer
    x = 8,719.65

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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.