Home / 8,475.08-11,696.18-4,890.68

Finding the Fourth Proportional to 8,475.08, 11,696.18 and 4,890.68

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Solution

The fourth proportional to 8,475.08, 11,696.18 and 4,890.68 is: 6,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.08 : 11,696.18 = 4,890.68 : x
  2. Step 2: Convert to fraction form
    8,475.08/11,696.18 = 4,890.68/x
  3. Step 3: Cross multiply
    8,475.08x = 11,696.18 × 4,890.68
  4. Step 4: Simplify right side
    8,475.08x = 57,202,251.72
  5. Step 5: Solve for x
    x = 57,202,251.72/8,475.08
  6. Step 6: Final answer
    x = 6,749.46

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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.