Home / 7,327.16-10,111.97-4,139.35

Finding the Fourth Proportional to 7,327.16, 10,111.97 and 4,139.35

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Solution

The fourth proportional to 7,327.16, 10,111.97 and 4,139.35 is: 5,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.16 : 10,111.97 = 4,139.35 : x
  2. Step 2: Convert to fraction form
    7,327.16/10,111.97 = 4,139.35/x
  3. Step 3: Cross multiply
    7,327.16x = 10,111.97 × 4,139.35
  4. Step 4: Simplify right side
    7,327.16x = 41,856,932.46
  5. Step 5: Solve for x
    x = 41,856,932.46/7,327.16
  6. Step 6: Final answer
    x = 5,712.58

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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.