Home / 12,153.38-16,771.66-6,564.38

Finding the Fourth Proportional to 12,153.38, 16,771.66 and 6,564.38

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Solution

The fourth proportional to 12,153.38, 16,771.66 and 6,564.38 is: 9,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.38 : 16,771.66 = 6,564.38 : x
  2. Step 2: Convert to fraction form
    12,153.38/16,771.66 = 6,564.38/x
  3. Step 3: Cross multiply
    12,153.38x = 16,771.66 × 6,564.38
  4. Step 4: Simplify right side
    12,153.38x = 110,095,449.20
  5. Step 5: Solve for x
    x = 110,095,449.20/12,153.38
  6. Step 6: Final answer
    x = 9,058.84

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1.5x scale

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.