Home / 10,867.48-16,309.50-5,323.96

Finding the Fourth Proportional to 10,867.48, 16,309.50 and 5,323.96

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Solution

The fourth proportional to 10,867.48, 16,309.50 and 5,323.96 is: 7,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.48 : 16,309.50 = 5,323.96 : x
  2. Step 2: Convert to fraction form
    10,867.48/16,309.50 = 5,323.96/x
  3. Step 3: Cross multiply
    10,867.48x = 16,309.50 × 5,323.96
  4. Step 4: Simplify right side
    10,867.48x = 86,831,125.62
  5. Step 5: Solve for x
    x = 86,831,125.62/10,867.48
  6. Step 6: Final answer
    x = 7,990.00

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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.