Home / 8,407.26-11,601.56-4,629.71

Finding the Fourth Proportional to 8,407.26, 11,601.56 and 4,629.71

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Solution

The fourth proportional to 8,407.26, 11,601.56 and 4,629.71 is: 6,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.26 : 11,601.56 = 4,629.71 : x
  2. Step 2: Convert to fraction form
    8,407.26/11,601.56 = 4,629.71/x
  3. Step 3: Cross multiply
    8,407.26x = 11,601.56 × 4,629.71
  4. Step 4: Simplify right side
    8,407.26x = 53,711,800.34
  5. Step 5: Solve for x
    x = 53,711,800.34/8,407.26
  6. Step 6: Final answer
    x = 6,388.74

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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.