Home / 7,967.93-11,952.32-2,421.45

Finding the Fourth Proportional to 7,967.93, 11,952.32 and 2,421.45

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Solution

The fourth proportional to 7,967.93, 11,952.32 and 2,421.45 is: 3,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.93 : 11,952.32 = 2,421.45 : x
  2. Step 2: Convert to fraction form
    7,967.93/11,952.32 = 2,421.45/x
  3. Step 3: Cross multiply
    7,967.93x = 11,952.32 × 2,421.45
  4. Step 4: Simplify right side
    7,967.93x = 28,941,933.16
  5. Step 5: Solve for x
    x = 28,941,933.16/7,967.93
  6. Step 6: Final answer
    x = 3,632.30

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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.