Home / 10,516.70-14,512.43-6,272.57

Finding the Fourth Proportional to 10,516.70, 14,512.43 and 6,272.57

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Solution

The fourth proportional to 10,516.70, 14,512.43 and 6,272.57 is: 8,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.70 : 14,512.43 = 6,272.57 : x
  2. Step 2: Convert to fraction form
    10,516.70/14,512.43 = 6,272.57/x
  3. Step 3: Cross multiply
    10,516.70x = 14,512.43 × 6,272.57
  4. Step 4: Simplify right side
    10,516.70x = 91,030,129.12
  5. Step 5: Solve for x
    x = 91,030,129.12/10,516.70
  6. Step 6: Final answer
    x = 8,655.77

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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.