Home / 7,708.64-10,636.96-4,351.04

Finding the Fourth Proportional to 7,708.64, 10,636.96 and 4,351.04

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Solution

The fourth proportional to 7,708.64, 10,636.96 and 4,351.04 is: 6,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.64 : 10,636.96 = 4,351.04 : x
  2. Step 2: Convert to fraction form
    7,708.64/10,636.96 = 4,351.04/x
  3. Step 3: Cross multiply
    7,708.64x = 10,636.96 × 4,351.04
  4. Step 4: Simplify right side
    7,708.64x = 46,281,838.44
  5. Step 5: Solve for x
    x = 46,281,838.44/7,708.64
  6. Step 6: Final answer
    x = 6,003.89

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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.