Home / 7,475.12-11,190.96-4,345.58

Finding the Fourth Proportional to 7,475.12, 11,190.96 and 4,345.58

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Solution

The fourth proportional to 7,475.12, 11,190.96 and 4,345.58 is: 6,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.12 : 11,190.96 = 4,345.58 : x
  2. Step 2: Convert to fraction form
    7,475.12/11,190.96 = 4,345.58/x
  3. Step 3: Cross multiply
    7,475.12x = 11,190.96 × 4,345.58
  4. Step 4: Simplify right side
    7,475.12x = 48,631,239.93
  5. Step 5: Solve for x
    x = 48,631,239.93/7,475.12
  6. Step 6: Final answer
    x = 6,505.75

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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.