Home / 10,308.96-15,473.52-5,382.36

Finding the Fourth Proportional to 10,308.96, 15,473.52 and 5,382.36

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Solution

The fourth proportional to 10,308.96, 15,473.52 and 5,382.36 is: 8,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.96 : 15,473.52 = 5,382.36 : x
  2. Step 2: Convert to fraction form
    10,308.96/15,473.52 = 5,382.36/x
  3. Step 3: Cross multiply
    10,308.96x = 15,473.52 × 5,382.36
  4. Step 4: Simplify right side
    10,308.96x = 83,284,055.11
  5. Step 5: Solve for x
    x = 83,284,055.11/10,308.96
  6. Step 6: Final answer
    x = 8,078.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.