Home / 10,217.52-14,092.08-6,628.56

Finding the Fourth Proportional to 10,217.52, 14,092.08 and 6,628.56

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Solution

The fourth proportional to 10,217.52, 14,092.08 and 6,628.56 is: 9,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.52 : 14,092.08 = 6,628.56 : x
  2. Step 2: Convert to fraction form
    10,217.52/14,092.08 = 6,628.56/x
  3. Step 3: Cross multiply
    10,217.52x = 14,092.08 × 6,628.56
  4. Step 4: Simplify right side
    10,217.52x = 93,410,197.80
  5. Step 5: Solve for x
    x = 93,410,197.80/10,217.52
  6. Step 6: Final answer
    x = 9,142.16

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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.