Home / 11,309.08-16,957.20-4,643.70

Finding the Fourth Proportional to 11,309.08, 16,957.20 and 4,643.70

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Solution

The fourth proportional to 11,309.08, 16,957.20 and 4,643.70 is: 6,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.08 : 16,957.20 = 4,643.70 : x
  2. Step 2: Convert to fraction form
    11,309.08/16,957.20 = 4,643.70/x
  3. Step 3: Cross multiply
    11,309.08x = 16,957.20 × 4,643.70
  4. Step 4: Simplify right side
    11,309.08x = 78,744,149.64
  5. Step 5: Solve for x
    x = 78,744,149.64/11,309.08
  6. Step 6: Final answer
    x = 6,962.91

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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.