Home / 10,122.14-15,176.61-4,197.39

Finding the Fourth Proportional to 10,122.14, 15,176.61 and 4,197.39

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Solution

The fourth proportional to 10,122.14, 15,176.61 and 4,197.39 is: 6,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.14 : 15,176.61 = 4,197.39 : x
  2. Step 2: Convert to fraction form
    10,122.14/15,176.61 = 4,197.39/x
  3. Step 3: Cross multiply
    10,122.14x = 15,176.61 × 4,197.39
  4. Step 4: Simplify right side
    10,122.14x = 63,702,151.05
  5. Step 5: Solve for x
    x = 63,702,151.05/10,122.14
  6. Step 6: Final answer
    x = 6,293.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.