Home / 11,865.39-16,373.43-6,560.16

Finding the Fourth Proportional to 11,865.39, 16,373.43 and 6,560.16

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Solution

The fourth proportional to 11,865.39, 16,373.43 and 6,560.16 is: 9,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.39 : 16,373.43 = 6,560.16 : x
  2. Step 2: Convert to fraction form
    11,865.39/16,373.43 = 6,560.16/x
  3. Step 3: Cross multiply
    11,865.39x = 16,373.43 × 6,560.16
  4. Step 4: Simplify right side
    11,865.39x = 107,412,320.55
  5. Step 5: Solve for x
    x = 107,412,320.55/11,865.39
  6. Step 6: Final answer
    x = 9,052.57

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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.