Home / 7,833.74-11,723.13-5,615.01

Finding the Fourth Proportional to 7,833.74, 11,723.13 and 5,615.01

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Solution

The fourth proportional to 7,833.74, 11,723.13 and 5,615.01 is: 8,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.74 : 11,723.13 = 5,615.01 : x
  2. Step 2: Convert to fraction form
    7,833.74/11,723.13 = 5,615.01/x
  3. Step 3: Cross multiply
    7,833.74x = 11,723.13 × 5,615.01
  4. Step 4: Simplify right side
    7,833.74x = 65,825,492.18
  5. Step 5: Solve for x
    x = 65,825,492.18/7,833.74
  6. Step 6: Final answer
    x = 8,402.82

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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.