Home / 8,328.25-11,493.50-4,791.38

Finding the Fourth Proportional to 8,328.25, 11,493.50 and 4,791.38

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Solution

The fourth proportional to 8,328.25, 11,493.50 and 4,791.38 is: 6,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.25 : 11,493.50 = 4,791.38 : x
  2. Step 2: Convert to fraction form
    8,328.25/11,493.50 = 4,791.38/x
  3. Step 3: Cross multiply
    8,328.25x = 11,493.50 × 4,791.38
  4. Step 4: Simplify right side
    8,328.25x = 55,069,730.81
  5. Step 5: Solve for x
    x = 55,069,730.81/8,328.25
  6. Step 6: Final answer
    x = 6,612.40

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Double scale
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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.