Home / 11,802.72-16,287.18-6,497.43

Finding the Fourth Proportional to 11,802.72, 16,287.18 and 6,497.43

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Solution

The fourth proportional to 11,802.72, 16,287.18 and 6,497.43 is: 8,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.72 : 16,287.18 = 6,497.43 : x
  2. Step 2: Convert to fraction form
    11,802.72/16,287.18 = 6,497.43/x
  3. Step 3: Cross multiply
    11,802.72x = 16,287.18 × 6,497.43
  4. Step 4: Simplify right side
    11,802.72x = 105,824,811.95
  5. Step 5: Solve for x
    x = 105,824,811.95/11,802.72
  6. Step 6: Final answer
    x = 8,966.14

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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.