Home / 7,354.02-11,003.40-4,381.56

Finding the Fourth Proportional to 7,354.02, 11,003.40 and 4,381.56

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Solution

The fourth proportional to 7,354.02, 11,003.40 and 4,381.56 is: 6,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.02 : 11,003.40 = 4,381.56 : x
  2. Step 2: Convert to fraction form
    7,354.02/11,003.40 = 4,381.56/x
  3. Step 3: Cross multiply
    7,354.02x = 11,003.40 × 4,381.56
  4. Step 4: Simplify right side
    7,354.02x = 48,212,057.30
  5. Step 5: Solve for x
    x = 48,212,057.30/7,354.02
  6. Step 6: Final answer
    x = 6,555.88

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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.