Home / 6,272.64-9,440.39-4,720.68

Finding the Fourth Proportional to 6,272.64, 9,440.39 and 4,720.68

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Solution

The fourth proportional to 6,272.64, 9,440.39 and 4,720.68 is: 7,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.64 : 9,440.39 = 4,720.68 : x
  2. Step 2: Convert to fraction form
    6,272.64/9,440.39 = 4,720.68/x
  3. Step 3: Cross multiply
    6,272.64x = 9,440.39 × 4,720.68
  4. Step 4: Simplify right side
    6,272.64x = 44,565,072.07
  5. Step 5: Solve for x
    x = 44,565,072.07/6,272.64
  6. Step 6: Final answer
    x = 7,104.68

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.