Home / 11,943.15-16,426.74-9,580.11

Finding the Fourth Proportional to 11,943.15, 16,426.74 and 9,580.11

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Solution

The fourth proportional to 11,943.15, 16,426.74 and 9,580.11 is: 13,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.15 : 16,426.74 = 9,580.11 : x
  2. Step 2: Convert to fraction form
    11,943.15/16,426.74 = 9,580.11/x
  3. Step 3: Cross multiply
    11,943.15x = 16,426.74 × 9,580.11
  4. Step 4: Simplify right side
    11,943.15x = 157,369,976.14
  5. Step 5: Solve for x
    x = 157,369,976.14/11,943.15
  6. Step 6: Final answer
    x = 13,176.59

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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.