Home / 11,543.11-15,928.29-6,508.10

Finding the Fourth Proportional to 11,543.11, 15,928.29 and 6,508.10

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Solution

The fourth proportional to 11,543.11, 15,928.29 and 6,508.10 is: 8,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.11 : 15,928.29 = 6,508.10 : x
  2. Step 2: Convert to fraction form
    11,543.11/15,928.29 = 6,508.10/x
  3. Step 3: Cross multiply
    11,543.11x = 15,928.29 × 6,508.10
  4. Step 4: Simplify right side
    11,543.11x = 103,662,943.97
  5. Step 5: Solve for x
    x = 103,662,943.97/11,543.11
  6. Step 6: Final answer
    x = 8,980.51

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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.