Home / 10,913.43-15,061.04-6,437.37

Finding the Fourth Proportional to 10,913.43, 15,061.04 and 6,437.37

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Solution

The fourth proportional to 10,913.43, 15,061.04 and 6,437.37 is: 8,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.43 : 15,061.04 = 6,437.37 : x
  2. Step 2: Convert to fraction form
    10,913.43/15,061.04 = 6,437.37/x
  3. Step 3: Cross multiply
    10,913.43x = 15,061.04 × 6,437.37
  4. Step 4: Simplify right side
    10,913.43x = 96,953,454.88
  5. Step 5: Solve for x
    x = 96,953,454.88/10,913.43
  6. Step 6: Final answer
    x = 8,883.87

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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.