Home / 8,356.25-11,531.63-4,630.97

Finding the Fourth Proportional to 8,356.25, 11,531.63 and 4,630.97

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Solution

The fourth proportional to 8,356.25, 11,531.63 and 4,630.97 is: 6,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.25 : 11,531.63 = 4,630.97 : x
  2. Step 2: Convert to fraction form
    8,356.25/11,531.63 = 4,630.97/x
  3. Step 3: Cross multiply
    8,356.25x = 11,531.63 × 4,630.97
  4. Step 4: Simplify right side
    8,356.25x = 53,402,632.58
  5. Step 5: Solve for x
    x = 53,402,632.58/8,356.25
  6. Step 6: Final answer
    x = 6,390.74

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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.