Home / 9,760.05-13,470.66-5,783.13

Finding the Fourth Proportional to 9,760.05, 13,470.66 and 5,783.13

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Solution

The fourth proportional to 9,760.05, 13,470.66 and 5,783.13 is: 7,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.05 : 13,470.66 = 5,783.13 : x
  2. Step 2: Convert to fraction form
    9,760.05/13,470.66 = 5,783.13/x
  3. Step 3: Cross multiply
    9,760.05x = 13,470.66 × 5,783.13
  4. Step 4: Simplify right side
    9,760.05x = 77,902,577.97
  5. Step 5: Solve for x
    x = 77,902,577.97/9,760.05
  6. Step 6: Final answer
    x = 7,981.78

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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.