Home / 7,364.16-11,045.28-2,169.84

Finding the Fourth Proportional to 7,364.16, 11,045.28 and 2,169.84

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Solution

The fourth proportional to 7,364.16, 11,045.28 and 2,169.84 is: 3,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.16 : 11,045.28 = 2,169.84 : x
  2. Step 2: Convert to fraction form
    7,364.16/11,045.28 = 2,169.84/x
  3. Step 3: Cross multiply
    7,364.16x = 11,045.28 × 2,169.84
  4. Step 4: Simplify right side
    7,364.16x = 23,966,490.36
  5. Step 5: Solve for x
    x = 23,966,490.36/7,364.16
  6. Step 6: Final answer
    x = 3,254.48

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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.