Home / 10,175.88-14,040.36-6,398.04

Finding the Fourth Proportional to 10,175.88, 14,040.36 and 6,398.04

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Solution

The fourth proportional to 10,175.88, 14,040.36 and 6,398.04 is: 8,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.88 : 14,040.36 = 6,398.04 : x
  2. Step 2: Convert to fraction form
    10,175.88/14,040.36 = 6,398.04/x
  3. Step 3: Cross multiply
    10,175.88x = 14,040.36 × 6,398.04
  4. Step 4: Simplify right side
    10,175.88x = 89,830,784.89
  5. Step 5: Solve for x
    x = 89,830,784.89/10,175.88
  6. Step 6: Final answer
    x = 8,827.81

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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.