Home / 11,750.72-16,216.10-6,445.58

Finding the Fourth Proportional to 11,750.72, 16,216.10 and 6,445.58

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Solution

The fourth proportional to 11,750.72, 16,216.10 and 6,445.58 is: 8,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.72 : 16,216.10 = 6,445.58 : x
  2. Step 2: Convert to fraction form
    11,750.72/16,216.10 = 6,445.58/x
  3. Step 3: Cross multiply
    11,750.72x = 16,216.10 × 6,445.58
  4. Step 4: Simplify right side
    11,750.72x = 104,522,080.70
  5. Step 5: Solve for x
    x = 104,522,080.70/11,750.72
  6. Step 6: Final answer
    x = 8,894.95

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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.