Home / 8,283.40-11,431.14-4,746.76

Finding the Fourth Proportional to 8,283.40, 11,431.14 and 4,746.76

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Solution

The fourth proportional to 8,283.40, 11,431.14 and 4,746.76 is: 6,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.40 : 11,431.14 = 4,746.76 : x
  2. Step 2: Convert to fraction form
    8,283.40/11,431.14 = 4,746.76/x
  3. Step 3: Cross multiply
    8,283.40x = 11,431.14 × 4,746.76
  4. Step 4: Simplify right side
    8,283.40x = 54,260,878.11
  5. Step 5: Solve for x
    x = 54,260,878.11/8,283.40
  6. Step 6: Final answer
    x = 6,550.56

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.