Home / 8,281.13-11,427.91-4,696.76

Finding the Fourth Proportional to 8,281.13, 11,427.91 and 4,696.76

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Solution

The fourth proportional to 8,281.13, 11,427.91 and 4,696.76 is: 6,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.13 : 11,427.91 = 4,696.76 : x
  2. Step 2: Convert to fraction form
    8,281.13/11,427.91 = 4,696.76/x
  3. Step 3: Cross multiply
    8,281.13x = 11,427.91 × 4,696.76
  4. Step 4: Simplify right side
    8,281.13x = 53,674,150.57
  5. Step 5: Solve for x
    x = 53,674,150.57/8,281.13
  6. Step 6: Final answer
    x = 6,481.50

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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.