Home / 10,122.84-15,184.36-3,549.18

Finding the Fourth Proportional to 10,122.84, 15,184.36 and 3,549.18

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Solution

The fourth proportional to 10,122.84, 15,184.36 and 3,549.18 is: 5,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.84 : 15,184.36 = 3,549.18 : x
  2. Step 2: Convert to fraction form
    10,122.84/15,184.36 = 3,549.18/x
  3. Step 3: Cross multiply
    10,122.84x = 15,184.36 × 3,549.18
  4. Step 4: Simplify right side
    10,122.84x = 53,892,088.20
  5. Step 5: Solve for x
    x = 53,892,088.20/10,122.84
  6. Step 6: Final answer
    x = 5,323.81

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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.