Home / 10,393.10-14,341.80-5,677.37

Finding the Fourth Proportional to 10,393.10, 14,341.80 and 5,677.37

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Solution

The fourth proportional to 10,393.10, 14,341.80 and 5,677.37 is: 7,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.10 : 14,341.80 = 5,677.37 : x
  2. Step 2: Convert to fraction form
    10,393.10/14,341.80 = 5,677.37/x
  3. Step 3: Cross multiply
    10,393.10x = 14,341.80 × 5,677.37
  4. Step 4: Simplify right side
    10,393.10x = 81,423,740.92
  5. Step 5: Solve for x
    x = 81,423,740.92/10,393.10
  6. Step 6: Final answer
    x = 7,834.41

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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.