Home / 10,007.19-13,809.79-5,531.02

Finding the Fourth Proportional to 10,007.19, 13,809.79 and 5,531.02

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Solution

The fourth proportional to 10,007.19, 13,809.79 and 5,531.02 is: 7,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.19 : 13,809.79 = 5,531.02 : x
  2. Step 2: Convert to fraction form
    10,007.19/13,809.79 = 5,531.02/x
  3. Step 3: Cross multiply
    10,007.19x = 13,809.79 × 5,531.02
  4. Step 4: Simplify right side
    10,007.19x = 76,382,202.23
  5. Step 5: Solve for x
    x = 76,382,202.23/10,007.19
  6. Step 6: Final answer
    x = 7,632.73

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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.