Home / 10,391.93-14,341.20-5,855.39

Finding the Fourth Proportional to 10,391.93, 14,341.20 and 5,855.39

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Solution

The fourth proportional to 10,391.93, 14,341.20 and 5,855.39 is: 8,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.93 : 14,341.20 = 5,855.39 : x
  2. Step 2: Convert to fraction form
    10,391.93/14,341.20 = 5,855.39/x
  3. Step 3: Cross multiply
    10,391.93x = 14,341.20 × 5,855.39
  4. Step 4: Simplify right side
    10,391.93x = 83,973,247.36
  5. Step 5: Solve for x
    x = 83,973,247.36/10,391.93
  6. Step 6: Final answer
    x = 8,080.62

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1.5x scale

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.