Home / 7,833.90-11,753.02-3,618.44

Finding the Fourth Proportional to 7,833.90, 11,753.02 and 3,618.44

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Solution

The fourth proportional to 7,833.90, 11,753.02 and 3,618.44 is: 5,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.90 : 11,753.02 = 3,618.44 : x
  2. Step 2: Convert to fraction form
    7,833.90/11,753.02 = 3,618.44/x
  3. Step 3: Cross multiply
    7,833.90x = 11,753.02 × 3,618.44
  4. Step 4: Simplify right side
    7,833.90x = 42,527,597.69
  5. Step 5: Solve for x
    x = 42,527,597.69/7,833.90
  6. Step 6: Final answer
    x = 5,428.66

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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.