Home / 8,356.13-11,531.48-4,630.13

Finding the Fourth Proportional to 8,356.13, 11,531.48 and 4,630.13

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Solution

The fourth proportional to 8,356.13, 11,531.48 and 4,630.13 is: 6,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.13 : 11,531.48 = 4,630.13 : x
  2. Step 2: Convert to fraction form
    8,356.13/11,531.48 = 4,630.13/x
  3. Step 3: Cross multiply
    8,356.13x = 11,531.48 × 4,630.13
  4. Step 4: Simplify right side
    8,356.13x = 53,392,170.68
  5. Step 5: Solve for x
    x = 53,392,170.68/8,356.13
  6. Step 6: Final answer
    x = 6,389.58

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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.