Home / 9,721.76-14,582.54-4,455.28

Finding the Fourth Proportional to 9,721.76, 14,582.54 and 4,455.28

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Solution

The fourth proportional to 9,721.76, 14,582.54 and 4,455.28 is: 6,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.76 : 14,582.54 = 4,455.28 : x
  2. Step 2: Convert to fraction form
    9,721.76/14,582.54 = 4,455.28/x
  3. Step 3: Cross multiply
    9,721.76x = 14,582.54 × 4,455.28
  4. Step 4: Simplify right side
    9,721.76x = 64,969,225.90
  5. Step 5: Solve for x
    x = 64,969,225.90/9,721.76
  6. Step 6: Final answer
    x = 6,682.87

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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.