Home / 8,213.95-11,335.24-4,437.12

Finding the Fourth Proportional to 8,213.95, 11,335.24 and 4,437.12

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Solution

The fourth proportional to 8,213.95, 11,335.24 and 4,437.12 is: 6,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.95 : 11,335.24 = 4,437.12 : x
  2. Step 2: Convert to fraction form
    8,213.95/11,335.24 = 4,437.12/x
  3. Step 3: Cross multiply
    8,213.95x = 11,335.24 × 4,437.12
  4. Step 4: Simplify right side
    8,213.95x = 50,295,820.11
  5. Step 5: Solve for x
    x = 50,295,820.11/8,213.95
  6. Step 6: Final answer
    x = 6,123.22

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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.