Home / 10,721.14-14,796.10-6,245.32

Finding the Fourth Proportional to 10,721.14, 14,796.10 and 6,245.32

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Solution

The fourth proportional to 10,721.14, 14,796.10 and 6,245.32 is: 8,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.14 : 14,796.10 = 6,245.32 : x
  2. Step 2: Convert to fraction form
    10,721.14/14,796.10 = 6,245.32/x
  3. Step 3: Cross multiply
    10,721.14x = 14,796.10 × 6,245.32
  4. Step 4: Simplify right side
    10,721.14x = 92,406,379.25
  5. Step 5: Solve for x
    x = 92,406,379.25/10,721.14
  6. Step 6: Final answer
    x = 8,619.08

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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.