Home / 7,849.18-11,777.80-4,338.53

Finding the Fourth Proportional to 7,849.18, 11,777.80 and 4,338.53

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Solution

The fourth proportional to 7,849.18, 11,777.80 and 4,338.53 is: 6,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.18 : 11,777.80 = 4,338.53 : x
  2. Step 2: Convert to fraction form
    7,849.18/11,777.80 = 4,338.53/x
  3. Step 3: Cross multiply
    7,849.18x = 11,777.80 × 4,338.53
  4. Step 4: Simplify right side
    7,849.18x = 51,098,268.90
  5. Step 5: Solve for x
    x = 51,098,268.90/7,849.18
  6. Step 6: Final answer
    x = 6,510.02

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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.