Home / 12,957.10-19,435.44-4,634.86

Finding the Fourth Proportional to 12,957.10, 19,435.44 and 4,634.86

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Solution

The fourth proportional to 12,957.10, 19,435.44 and 4,634.86 is: 6,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.10 : 19,435.44 = 4,634.86 : x
  2. Step 2: Convert to fraction form
    12,957.10/19,435.44 = 4,634.86/x
  3. Step 3: Cross multiply
    12,957.10x = 19,435.44 × 4,634.86
  4. Step 4: Simplify right side
    12,957.10x = 90,080,543.44
  5. Step 5: Solve for x
    x = 90,080,543.44/12,957.10
  6. Step 6: Final answer
    x = 6,952.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.