Home / 7,967.13-11,953.17-2,421.06

Finding the Fourth Proportional to 7,967.13, 11,953.17 and 2,421.06

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Solution

The fourth proportional to 7,967.13, 11,953.17 and 2,421.06 is: 3,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.13 : 11,953.17 = 2,421.06 : x
  2. Step 2: Convert to fraction form
    7,967.13/11,953.17 = 2,421.06/x
  3. Step 3: Cross multiply
    7,967.13x = 11,953.17 × 2,421.06
  4. Step 4: Simplify right side
    7,967.13x = 28,939,341.76
  5. Step 5: Solve for x
    x = 28,939,341.76/7,967.13
  6. Step 6: Final answer
    x = 3,632.34

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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.