Home / 8,288.08-11,425.46-6,516.60

Finding the Fourth Proportional to 8,288.08, 11,425.46 and 6,516.60

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Solution

The fourth proportional to 8,288.08, 11,425.46 and 6,516.60 is: 8,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.08 : 11,425.46 = 6,516.60 : x
  2. Step 2: Convert to fraction form
    8,288.08/11,425.46 = 6,516.60/x
  3. Step 3: Cross multiply
    8,288.08x = 11,425.46 × 6,516.60
  4. Step 4: Simplify right side
    8,288.08x = 74,455,152.64
  5. Step 5: Solve for x
    x = 74,455,152.64/8,288.08
  6. Step 6: Final answer
    x = 8,983.40

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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.