Home / 9,721.52-14,579.76-4,175.76

Finding the Fourth Proportional to 9,721.52, 14,579.76 and 4,175.76

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Solution

The fourth proportional to 9,721.52, 14,579.76 and 4,175.76 is: 6,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.52 : 14,579.76 = 4,175.76 : x
  2. Step 2: Convert to fraction form
    9,721.52/14,579.76 = 4,175.76/x
  3. Step 3: Cross multiply
    9,721.52x = 14,579.76 × 4,175.76
  4. Step 4: Simplify right side
    9,721.52x = 60,881,578.62
  5. Step 5: Solve for x
    x = 60,881,578.62/9,721.52
  6. Step 6: Final answer
    x = 6,262.56

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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.