Home / 7,342.40-11,014.32-2,411.84

Finding the Fourth Proportional to 7,342.40, 11,014.32 and 2,411.84

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Solution

The fourth proportional to 7,342.40, 11,014.32 and 2,411.84 is: 3,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.40 : 11,014.32 = 2,411.84 : x
  2. Step 2: Convert to fraction form
    7,342.40/11,014.32 = 2,411.84/x
  3. Step 3: Cross multiply
    7,342.40x = 11,014.32 × 2,411.84
  4. Step 4: Simplify right side
    7,342.40x = 26,564,777.55
  5. Step 5: Solve for x
    x = 26,564,777.55/7,342.40
  6. Step 6: Final answer
    x = 3,618.00

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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.