Home / 7,055.52-9,736.48-3,911.68

Finding the Fourth Proportional to 7,055.52, 9,736.48 and 3,911.68

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Solution

The fourth proportional to 7,055.52, 9,736.48 and 3,911.68 is: 5,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.52 : 9,736.48 = 3,911.68 : x
  2. Step 2: Convert to fraction form
    7,055.52/9,736.48 = 3,911.68/x
  3. Step 3: Cross multiply
    7,055.52x = 9,736.48 × 3,911.68
  4. Step 4: Simplify right side
    7,055.52x = 38,085,994.09
  5. Step 5: Solve for x
    x = 38,085,994.09/7,055.52
  6. Step 6: Final answer
    x = 5,398.04

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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.