Home / 10,721.98-14,799.23-6,473.12

Finding the Fourth Proportional to 10,721.98, 14,799.23 and 6,473.12

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Solution

The fourth proportional to 10,721.98, 14,799.23 and 6,473.12 is: 8,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.98 : 14,799.23 = 6,473.12 : x
  2. Step 2: Convert to fraction form
    10,721.98/14,799.23 = 6,473.12/x
  3. Step 3: Cross multiply
    10,721.98x = 14,799.23 × 6,473.12
  4. Step 4: Simplify right side
    10,721.98x = 95,797,244.88
  5. Step 5: Solve for x
    x = 95,797,244.88/10,721.98
  6. Step 6: Final answer
    x = 8,934.66

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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.