Home / 12,205.02-16,826.62-9,695.43

Finding the Fourth Proportional to 12,205.02, 16,826.62 and 9,695.43

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Solution

The fourth proportional to 12,205.02, 16,826.62 and 9,695.43 is: 13,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.02 : 16,826.62 = 9,695.43 : x
  2. Step 2: Convert to fraction form
    12,205.02/16,826.62 = 9,695.43/x
  3. Step 3: Cross multiply
    12,205.02x = 16,826.62 × 9,695.43
  4. Step 4: Simplify right side
    12,205.02x = 163,141,316.35
  5. Step 5: Solve for x
    x = 163,141,316.35/12,205.02
  6. Step 6: Final answer
    x = 13,366.74

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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.