Home / 9,143.14-13,715.85-2,901.46

Finding the Fourth Proportional to 9,143.14, 13,715.85 and 2,901.46

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Solution

The fourth proportional to 9,143.14, 13,715.85 and 2,901.46 is: 4,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.14 : 13,715.85 = 2,901.46 : x
  2. Step 2: Convert to fraction form
    9,143.14/13,715.85 = 2,901.46/x
  3. Step 3: Cross multiply
    9,143.14x = 13,715.85 × 2,901.46
  4. Step 4: Simplify right side
    9,143.14x = 39,795,990.14
  5. Step 5: Solve for x
    x = 39,795,990.14/9,143.14
  6. Step 6: Final answer
    x = 4,352.55

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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.