Home / 9,143.58-13,717.42-2,903.56

Finding the Fourth Proportional to 9,143.58, 13,717.42 and 2,903.56

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Solution

The fourth proportional to 9,143.58, 13,717.42 and 2,903.56 is: 4,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.58 : 13,717.42 = 2,903.56 : x
  2. Step 2: Convert to fraction form
    9,143.58/13,717.42 = 2,903.56/x
  3. Step 3: Cross multiply
    9,143.58x = 13,717.42 × 2,903.56
  4. Step 4: Simplify right side
    9,143.58x = 39,829,352.02
  5. Step 5: Solve for x
    x = 39,829,352.02/9,143.58
  6. Step 6: Final answer
    x = 4,355.99

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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.