Home / 12,150.29-16,764.45-6,845.10

Finding the Fourth Proportional to 12,150.29, 16,764.45 and 6,845.10

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Solution

The fourth proportional to 12,150.29, 16,764.45 and 6,845.10 is: 9,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.29 : 16,764.45 = 6,845.10 : x
  2. Step 2: Convert to fraction form
    12,150.29/16,764.45 = 6,845.10/x
  3. Step 3: Cross multiply
    12,150.29x = 16,764.45 × 6,845.10
  4. Step 4: Simplify right side
    12,150.29x = 114,754,336.70
  5. Step 5: Solve for x
    x = 114,754,336.70/12,150.29
  6. Step 6: Final answer
    x = 9,444.58

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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.