Home / 7,475.07-11,190.87-4,345.53

Finding the Fourth Proportional to 7,475.07, 11,190.87 and 4,345.53

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Solution

The fourth proportional to 7,475.07, 11,190.87 and 4,345.53 is: 6,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.07 : 11,190.87 = 4,345.53 : x
  2. Step 2: Convert to fraction form
    7,475.07/11,190.87 = 4,345.53/x
  3. Step 3: Cross multiply
    7,475.07x = 11,190.87 × 4,345.53
  4. Step 4: Simplify right side
    7,475.07x = 48,630,261.31
  5. Step 5: Solve for x
    x = 48,630,261.31/7,475.07
  6. Step 6: Final answer
    x = 6,505.66

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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.