Home / 9,140.73-13,711.58-2,901.23

Finding the Fourth Proportional to 9,140.73, 13,711.58 and 2,901.23

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Solution

The fourth proportional to 9,140.73, 13,711.58 and 2,901.23 is: 4,351.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.73 : 13,711.58 = 2,901.23 : x
  2. Step 2: Convert to fraction form
    9,140.73/13,711.58 = 2,901.23/x
  3. Step 3: Cross multiply
    9,140.73x = 13,711.58 × 2,901.23
  4. Step 4: Simplify right side
    9,140.73x = 39,780,385.94
  5. Step 5: Solve for x
    x = 39,780,385.94/9,140.73
  6. Step 6: Final answer
    x = 4,351.99

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Half scale
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Double scale
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Similar ratio
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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.