Home / 8,088.08-12,128.04-3,708.64

Finding the Fourth Proportional to 8,088.08, 12,128.04 and 3,708.64

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Solution

The fourth proportional to 8,088.08, 12,128.04 and 3,708.64 is: 5,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.08 : 12,128.04 = 3,708.64 : x
  2. Step 2: Convert to fraction form
    8,088.08/12,128.04 = 3,708.64/x
  3. Step 3: Cross multiply
    8,088.08x = 12,128.04 × 3,708.64
  4. Step 4: Simplify right side
    8,088.08x = 44,978,534.27
  5. Step 5: Solve for x
    x = 44,978,534.27/8,088.08
  6. Step 6: Final answer
    x = 5,561.09

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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.