Home / 9,142.19-13,713.35-2,568.50

Finding the Fourth Proportional to 9,142.19, 13,713.35 and 2,568.50

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Solution

The fourth proportional to 9,142.19, 13,713.35 and 2,568.50 is: 3,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.19 : 13,713.35 = 2,568.50 : x
  2. Step 2: Convert to fraction form
    9,142.19/13,713.35 = 2,568.50/x
  3. Step 3: Cross multiply
    9,142.19x = 13,713.35 × 2,568.50
  4. Step 4: Simplify right side
    9,142.19x = 35,222,658.07
  5. Step 5: Solve for x
    x = 35,222,658.07/9,142.19
  6. Step 6: Final answer
    x = 3,852.76

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Half scale
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Double scale
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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.