Home / 6,871.08-10,293.30-5,403

Finding the Fourth Proportional to 6,871.08, 10,293.30 and 5,403

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Solution

The fourth proportional to 6,871.08, 10,293.30 and 5,403 is: 8,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.08 : 10,293.30 = 5,403 : x
  2. Step 2: Convert to fraction form
    6,871.08/10,293.30 = 5,403/x
  3. Step 3: Cross multiply
    6,871.08x = 10,293.30 × 5,403
  4. Step 4: Simplify right side
    6,871.08x = 55,614,699.90
  5. Step 5: Solve for x
    x = 55,614,699.90/6,871.08
  6. Step 6: Final answer
    x = 8,094.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.