Home / 9,721.79-14,582.07-5,040.39

Finding the Fourth Proportional to 9,721.79, 14,582.07 and 5,040.39

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Solution

The fourth proportional to 9,721.79, 14,582.07 and 5,040.39 is: 7,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.79 : 14,582.07 = 5,040.39 : x
  2. Step 2: Convert to fraction form
    9,721.79/14,582.07 = 5,040.39/x
  3. Step 3: Cross multiply
    9,721.79x = 14,582.07 × 5,040.39
  4. Step 4: Simplify right side
    9,721.79x = 73,499,319.81
  5. Step 5: Solve for x
    x = 73,499,319.81/9,721.79
  6. Step 6: Final answer
    x = 7,560.27

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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.