Home / 11,812.61-16,301.44-6,507.41

Finding the Fourth Proportional to 11,812.61, 16,301.44 and 6,507.41

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Solution

The fourth proportional to 11,812.61, 16,301.44 and 6,507.41 is: 8,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.61 : 16,301.44 = 6,507.41 : x
  2. Step 2: Convert to fraction form
    11,812.61/16,301.44 = 6,507.41/x
  3. Step 3: Cross multiply
    11,812.61x = 16,301.44 × 6,507.41
  4. Step 4: Simplify right side
    11,812.61x = 106,080,153.67
  5. Step 5: Solve for x
    x = 106,080,153.67/11,812.61
  6. Step 6: Final answer
    x = 8,980.25

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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.