Home / 10,721.01-14,795.91-6,245.18

Finding the Fourth Proportional to 10,721.01, 14,795.91 and 6,245.18

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Solution

The fourth proportional to 10,721.01, 14,795.91 and 6,245.18 is: 8,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.01 : 14,795.91 = 6,245.18 : x
  2. Step 2: Convert to fraction form
    10,721.01/14,795.91 = 6,245.18/x
  3. Step 3: Cross multiply
    10,721.01x = 14,795.91 × 6,245.18
  4. Step 4: Simplify right side
    10,721.01x = 92,403,121.21
  5. Step 5: Solve for x
    x = 92,403,121.21/10,721.01
  6. Step 6: Final answer
    x = 8,618.88

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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.