Home / 9,153.59-13,730.39-2,578.92

Finding the Fourth Proportional to 9,153.59, 13,730.39 and 2,578.92

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Solution

The fourth proportional to 9,153.59, 13,730.39 and 2,578.92 is: 3,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.59 : 13,730.39 = 2,578.92 : x
  2. Step 2: Convert to fraction form
    9,153.59/13,730.39 = 2,578.92/x
  3. Step 3: Cross multiply
    9,153.59x = 13,730.39 × 2,578.92
  4. Step 4: Simplify right side
    9,153.59x = 35,409,564.48
  5. Step 5: Solve for x
    x = 35,409,564.48/9,153.59
  6. Step 6: Final answer
    x = 3,868.38

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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.