Home / 10,868.51-14,997.74-6,151.88

Finding the Fourth Proportional to 10,868.51, 14,997.74 and 6,151.88

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Solution

The fourth proportional to 10,868.51, 14,997.74 and 6,151.88 is: 8,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.51 : 14,997.74 = 6,151.88 : x
  2. Step 2: Convert to fraction form
    10,868.51/14,997.74 = 6,151.88/x
  3. Step 3: Cross multiply
    10,868.51x = 14,997.74 × 6,151.88
  4. Step 4: Simplify right side
    10,868.51x = 92,264,191.00
  5. Step 5: Solve for x
    x = 92,264,191.00/10,868.51
  6. Step 6: Final answer
    x = 8,489.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.