Home / 10,172.88-14,036.22-6,395.04

Finding the Fourth Proportional to 10,172.88, 14,036.22 and 6,395.04

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Solution

The fourth proportional to 10,172.88, 14,036.22 and 6,395.04 is: 8,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.88 : 14,036.22 = 6,395.04 : x
  2. Step 2: Convert to fraction form
    10,172.88/14,036.22 = 6,395.04/x
  3. Step 3: Cross multiply
    10,172.88x = 14,036.22 × 6,395.04
  4. Step 4: Simplify right side
    10,172.88x = 89,762,188.35
  5. Step 5: Solve for x
    x = 89,762,188.35/10,172.88
  6. Step 6: Final answer
    x = 8,823.68

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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.