Home / 6,834.77-9,432.55-3,851.20

Finding the Fourth Proportional to 6,834.77, 9,432.55 and 3,851.20

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Solution

The fourth proportional to 6,834.77, 9,432.55 and 3,851.20 is: 5,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.77 : 9,432.55 = 3,851.20 : x
  2. Step 2: Convert to fraction form
    6,834.77/9,432.55 = 3,851.20/x
  3. Step 3: Cross multiply
    6,834.77x = 9,432.55 × 3,851.20
  4. Step 4: Simplify right side
    6,834.77x = 36,326,636.56
  5. Step 5: Solve for x
    x = 36,326,636.56/6,834.77
  6. Step 6: Final answer
    x = 5,314.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.