Home / 7,673.13-11,509.56-2,479.01

Finding the Fourth Proportional to 7,673.13, 11,509.56 and 2,479.01

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Solution

The fourth proportional to 7,673.13, 11,509.56 and 2,479.01 is: 3,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.13 : 11,509.56 = 2,479.01 : x
  2. Step 2: Convert to fraction form
    7,673.13/11,509.56 = 2,479.01/x
  3. Step 3: Cross multiply
    7,673.13x = 11,509.56 × 2,479.01
  4. Step 4: Simplify right side
    7,673.13x = 28,532,256.79
  5. Step 5: Solve for x
    x = 28,532,256.79/7,673.13
  6. Step 6: Final answer
    x = 3,718.46

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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.