Home / 8,241.95-12,359.60-5,117.33

Finding the Fourth Proportional to 8,241.95, 12,359.60 and 5,117.33

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Solution

The fourth proportional to 8,241.95, 12,359.60 and 5,117.33 is: 7,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.95 : 12,359.60 = 5,117.33 : x
  2. Step 2: Convert to fraction form
    8,241.95/12,359.60 = 5,117.33/x
  3. Step 3: Cross multiply
    8,241.95x = 12,359.60 × 5,117.33
  4. Step 4: Simplify right side
    8,241.95x = 63,248,126.28
  5. Step 5: Solve for x
    x = 63,248,126.28/8,241.95
  6. Step 6: Final answer
    x = 7,673.93

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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.