Home / 10,077.84-15,117.88-2,682.58

Finding the Fourth Proportional to 10,077.84, 15,117.88 and 2,682.58

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Solution

The fourth proportional to 10,077.84, 15,117.88 and 2,682.58 is: 4,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.84 : 15,117.88 = 2,682.58 : x
  2. Step 2: Convert to fraction form
    10,077.84/15,117.88 = 2,682.58/x
  3. Step 3: Cross multiply
    10,077.84x = 15,117.88 × 2,682.58
  4. Step 4: Simplify right side
    10,077.84x = 40,554,922.53
  5. Step 5: Solve for x
    x = 40,554,922.53/10,077.84
  6. Step 6: Final answer
    x = 4,024.17

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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.