Home / 10,173.18-14,039.85-5,696.87

Finding the Fourth Proportional to 10,173.18, 14,039.85 and 5,696.87

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Solution

The fourth proportional to 10,173.18, 14,039.85 and 5,696.87 is: 7,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.18 : 14,039.85 = 5,696.87 : x
  2. Step 2: Convert to fraction form
    10,173.18/14,039.85 = 5,696.87/x
  3. Step 3: Cross multiply
    10,173.18x = 14,039.85 × 5,696.87
  4. Step 4: Simplify right side
    10,173.18x = 79,983,130.07
  5. Step 5: Solve for x
    x = 79,983,130.07/10,173.18
  6. Step 6: Final answer
    x = 7,862.16

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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.