Home / 11,342.08-15,649.80-6,625.12

Finding the Fourth Proportional to 11,342.08, 15,649.80 and 6,625.12

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Solution

The fourth proportional to 11,342.08, 15,649.80 and 6,625.12 is: 9,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.08 : 15,649.80 = 6,625.12 : x
  2. Step 2: Convert to fraction form
    11,342.08/15,649.80 = 6,625.12/x
  3. Step 3: Cross multiply
    11,342.08x = 15,649.80 × 6,625.12
  4. Step 4: Simplify right side
    11,342.08x = 103,681,802.98
  5. Step 5: Solve for x
    x = 103,681,802.98/11,342.08
  6. Step 6: Final answer
    x = 9,141.34

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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.