Home / 9,141.84-13,712.77-3,298.45

Finding the Fourth Proportional to 9,141.84, 13,712.77 and 3,298.45

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Solution

The fourth proportional to 9,141.84, 13,712.77 and 3,298.45 is: 4,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.84 : 13,712.77 = 3,298.45 : x
  2. Step 2: Convert to fraction form
    9,141.84/13,712.77 = 3,298.45/x
  3. Step 3: Cross multiply
    9,141.84x = 13,712.77 × 3,298.45
  4. Step 4: Simplify right side
    9,141.84x = 45,230,886.21
  5. Step 5: Solve for x
    x = 45,230,886.21/9,141.84
  6. Step 6: Final answer
    x = 4,947.68

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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.