Home / 10,402.94-15,604.61-4,854.78

Finding the Fourth Proportional to 10,402.94, 15,604.61 and 4,854.78

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Solution

The fourth proportional to 10,402.94, 15,604.61 and 4,854.78 is: 7,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.94 : 15,604.61 = 4,854.78 : x
  2. Step 2: Convert to fraction form
    10,402.94/15,604.61 = 4,854.78/x
  3. Step 3: Cross multiply
    10,402.94x = 15,604.61 × 4,854.78
  4. Step 4: Simplify right side
    10,402.94x = 75,756,948.54
  5. Step 5: Solve for x
    x = 75,756,948.54/10,402.94
  6. Step 6: Final answer
    x = 7,282.26

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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.