Home / 10,664.28-15,973.02-8,794.32

Finding the Fourth Proportional to 10,664.28, 15,973.02 and 8,794.32

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Solution

The fourth proportional to 10,664.28, 15,973.02 and 8,794.32 is: 13,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.28 : 15,973.02 = 8,794.32 : x
  2. Step 2: Convert to fraction form
    10,664.28/15,973.02 = 8,794.32/x
  3. Step 3: Cross multiply
    10,664.28x = 15,973.02 × 8,794.32
  4. Step 4: Simplify right side
    10,664.28x = 140,471,849.25
  5. Step 5: Solve for x
    x = 140,471,849.25/10,664.28
  6. Step 6: Final answer
    x = 13,172.18

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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.