Home / 6,516.12-9,777.28-4,517.90

Finding the Fourth Proportional to 6,516.12, 9,777.28 and 4,517.90

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Solution

The fourth proportional to 6,516.12, 9,777.28 and 4,517.90 is: 6,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.12 : 9,777.28 = 4,517.90 : x
  2. Step 2: Convert to fraction form
    6,516.12/9,777.28 = 4,517.90/x
  3. Step 3: Cross multiply
    6,516.12x = 9,777.28 × 4,517.90
  4. Step 4: Simplify right side
    6,516.12x = 44,172,773.31
  5. Step 5: Solve for x
    x = 44,172,773.31/6,516.12
  6. Step 6: Final answer
    x = 6,779.00

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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.