Home / 11,308.19-15,605.31-6,272.47

Finding the Fourth Proportional to 11,308.19, 15,605.31 and 6,272.47

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Solution

The fourth proportional to 11,308.19, 15,605.31 and 6,272.47 is: 8,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.19 : 15,605.31 = 6,272.47 : x
  2. Step 2: Convert to fraction form
    11,308.19/15,605.31 = 6,272.47/x
  3. Step 3: Cross multiply
    11,308.19x = 15,605.31 × 6,272.47
  4. Step 4: Simplify right side
    11,308.19x = 97,883,846.56
  5. Step 5: Solve for x
    x = 97,883,846.56/11,308.19
  6. Step 6: Final answer
    x = 8,656.01

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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.