Home / 10,720.17-14,793.39-6,243.91

Finding the Fourth Proportional to 10,720.17, 14,793.39 and 6,243.91

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Solution

The fourth proportional to 10,720.17, 14,793.39 and 6,243.91 is: 8,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.17 : 14,793.39 = 6,243.91 : x
  2. Step 2: Convert to fraction form
    10,720.17/14,793.39 = 6,243.91/x
  3. Step 3: Cross multiply
    10,720.17x = 14,793.39 × 6,243.91
  4. Step 4: Simplify right side
    10,720.17x = 92,368,558.77
  5. Step 5: Solve for x
    x = 92,368,558.77/10,720.17
  6. Step 6: Final answer
    x = 8,616.33

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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.