Home / 11,623.17-16,040.10-6,317.99

Finding the Fourth Proportional to 11,623.17, 16,040.10 and 6,317.99

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Solution

The fourth proportional to 11,623.17, 16,040.10 and 6,317.99 is: 8,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.17 : 16,040.10 = 6,317.99 : x
  2. Step 2: Convert to fraction form
    11,623.17/16,040.10 = 6,317.99/x
  3. Step 3: Cross multiply
    11,623.17x = 16,040.10 × 6,317.99
  4. Step 4: Simplify right side
    11,623.17x = 101,341,191.40
  5. Step 5: Solve for x
    x = 101,341,191.40/11,623.17
  6. Step 6: Final answer
    x = 8,718.89

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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.