Home / 7,471.25-10,309.95-4,113.43

Finding the Fourth Proportional to 7,471.25, 10,309.95 and 4,113.43

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Solution

The fourth proportional to 7,471.25, 10,309.95 and 4,113.43 is: 5,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.25 : 10,309.95 = 4,113.43 : x
  2. Step 2: Convert to fraction form
    7,471.25/10,309.95 = 4,113.43/x
  3. Step 3: Cross multiply
    7,471.25x = 10,309.95 × 4,113.43
  4. Step 4: Simplify right side
    7,471.25x = 42,409,270.52
  5. Step 5: Solve for x
    x = 42,409,270.52/7,471.25
  6. Step 6: Final answer
    x = 5,676.33

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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.