Home / 6,113.76-8,437.20-3,461.28

Finding the Fourth Proportional to 6,113.76, 8,437.20 and 3,461.28

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Solution

The fourth proportional to 6,113.76, 8,437.20 and 3,461.28 is: 4,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.76 : 8,437.20 = 3,461.28 : x
  2. Step 2: Convert to fraction form
    6,113.76/8,437.20 = 3,461.28/x
  3. Step 3: Cross multiply
    6,113.76x = 8,437.20 × 3,461.28
  4. Step 4: Simplify right side
    6,113.76x = 29,203,511.62
  5. Step 5: Solve for x
    x = 29,203,511.62/6,113.76
  6. Step 6: Final answer
    x = 4,776.69

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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.