Home / 10,943.01-15,102.47-6,468.21

Finding the Fourth Proportional to 10,943.01, 15,102.47 and 6,468.21

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Solution

The fourth proportional to 10,943.01, 15,102.47 and 6,468.21 is: 8,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.01 : 15,102.47 = 6,468.21 : x
  2. Step 2: Convert to fraction form
    10,943.01/15,102.47 = 6,468.21/x
  3. Step 3: Cross multiply
    10,943.01x = 15,102.47 × 6,468.21
  4. Step 4: Simplify right side
    10,943.01x = 97,685,947.48
  5. Step 5: Solve for x
    x = 97,685,947.48/10,943.01
  6. Step 6: Final answer
    x = 8,926.79

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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.