Home / 11,877.10-16,392.66-8,483.32

Finding the Fourth Proportional to 11,877.10, 16,392.66 and 8,483.32

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Solution

The fourth proportional to 11,877.10, 16,392.66 and 8,483.32 is: 11,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.10 : 16,392.66 = 8,483.32 : x
  2. Step 2: Convert to fraction form
    11,877.10/16,392.66 = 8,483.32/x
  3. Step 3: Cross multiply
    11,877.10x = 16,392.66 × 8,483.32
  4. Step 4: Simplify right side
    11,877.10x = 139,064,180.43
  5. Step 5: Solve for x
    x = 139,064,180.43/11,877.10
  6. Step 6: Final answer
    x = 11,708.60

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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.