Home / 11,577.32-15,976.63-6,543.17

Finding the Fourth Proportional to 11,577.32, 15,976.63 and 6,543.17

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Solution

The fourth proportional to 11,577.32, 15,976.63 and 6,543.17 is: 9,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.32 : 15,976.63 = 6,543.17 : x
  2. Step 2: Convert to fraction form
    11,577.32/15,976.63 = 6,543.17/x
  3. Step 3: Cross multiply
    11,577.32x = 15,976.63 × 6,543.17
  4. Step 4: Simplify right side
    11,577.32x = 104,537,806.12
  5. Step 5: Solve for x
    x = 104,537,806.12/11,577.32
  6. Step 6: Final answer
    x = 9,029.53

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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.