Home / 10,516.72-14,516.24-6,270.88

Finding the Fourth Proportional to 10,516.72, 14,516.24 and 6,270.88

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Solution

The fourth proportional to 10,516.72, 14,516.24 and 6,270.88 is: 8,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.72 : 14,516.24 = 6,270.88 : x
  2. Step 2: Convert to fraction form
    10,516.72/14,516.24 = 6,270.88/x
  3. Step 3: Cross multiply
    10,516.72x = 14,516.24 × 6,270.88
  4. Step 4: Simplify right side
    10,516.72x = 91,029,599.09
  5. Step 5: Solve for x
    x = 91,029,599.09/10,516.72
  6. Step 6: Final answer
    x = 8,655.70

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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.